Home / 3,949,340.90-5,924,011.55-1,389,953.12

Finding the Fourth Proportional to 3,949,340.90, 5,924,011.55 and 1,389,953.12

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Solution

The fourth proportional to 3,949,340.90, 5,924,011.55 and 1,389,953.12 is: 2,084,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,340.90 : 5,924,011.55 = 1,389,953.12 : x
  2. Step 2: Convert to fraction form
    3,949,340.90/5,924,011.55 = 1,389,953.12/x
  3. Step 3: Cross multiply
    3,949,340.90x = 5,924,011.55 × 1,389,953.12
  4. Step 4: Simplify right side
    3,949,340.90x = 8,234,098,300,268.71
  5. Step 5: Solve for x
    x = 8,234,098,300,268.71/3,949,340.90
  6. Step 6: Final answer
    x = 2,084,929.74

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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.