Home / 2,912,802.90-4,369,204.35-2,415,138.90

Finding the Fourth Proportional to 2,912,802.90, 4,369,204.35 and 2,415,138.90

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Solution

The fourth proportional to 2,912,802.90, 4,369,204.35 and 2,415,138.90 is: 3,622,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,802.90 : 4,369,204.35 = 2,415,138.90 : x
  2. Step 2: Convert to fraction form
    2,912,802.90/4,369,204.35 = 2,415,138.90/x
  3. Step 3: Cross multiply
    2,912,802.90x = 4,369,204.35 × 2,415,138.90
  4. Step 4: Simplify right side
    2,912,802.90x = 10,552,235,387,734.21
  5. Step 5: Solve for x
    x = 10,552,235,387,734.21/2,912,802.90
  6. Step 6: Final answer
    x = 3,622,708.35

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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.