Home / 3,516,920.90-5,275,282.94-1,120,909.31

Finding the Fourth Proportional to 3,516,920.90, 5,275,282.94 and 1,120,909.31

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Solution

The fourth proportional to 3,516,920.90, 5,275,282.94 and 1,120,909.31 is: 1,681,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,920.90 : 5,275,282.94 = 1,120,909.31 : x
  2. Step 2: Convert to fraction form
    3,516,920.90/5,275,282.94 = 1,120,909.31/x
  3. Step 3: Cross multiply
    3,516,920.90x = 5,275,282.94 × 1,120,909.31
  4. Step 4: Simplify right side
    3,516,920.90x = 5,913,113,782,008.40
  5. Step 5: Solve for x
    x = 5,913,113,782,008.40/3,516,920.90
  6. Step 6: Final answer
    x = 1,681,332.60

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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.