Home / 3,478,281.80-5,217,422.70-2,638,473.80

Finding the Fourth Proportional to 3,478,281.80, 5,217,422.70 and 2,638,473.80

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Solution

The fourth proportional to 3,478,281.80, 5,217,422.70 and 2,638,473.80 is: 3,957,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,281.80 : 5,217,422.70 = 2,638,473.80 : x
  2. Step 2: Convert to fraction form
    3,478,281.80/5,217,422.70 = 2,638,473.80/x
  3. Step 3: Cross multiply
    3,478,281.80x = 5,217,422.70 × 2,638,473.80
  4. Step 4: Simplify right side
    3,478,281.80x = 13,766,033,097,475.26
  5. Step 5: Solve for x
    x = 13,766,033,097,475.26/3,478,281.80
  6. Step 6: Final answer
    x = 3,957,710.70

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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.