Home / 3,478,473.60-5,217,710.40-2,880,110.40

Finding the Fourth Proportional to 3,478,473.60, 5,217,710.40 and 2,880,110.40

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Solution

The fourth proportional to 3,478,473.60, 5,217,710.40 and 2,880,110.40 is: 4,320,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,473.60 : 5,217,710.40 = 2,880,110.40 : x
  2. Step 2: Convert to fraction form
    3,478,473.60/5,217,710.40 = 2,880,110.40/x
  3. Step 3: Cross multiply
    3,478,473.60x = 5,217,710.40 × 2,880,110.40
  4. Step 4: Simplify right side
    3,478,473.60x = 15,027,581,987,228.16
  5. Step 5: Solve for x
    x = 15,027,581,987,228.16/3,478,473.60
  6. Step 6: Final answer
    x = 4,320,165.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.