Home / 2,160,493.28-2,981,445.45-1,180,411.21

Finding the Fourth Proportional to 2,160,493.28, 2,981,445.45 and 1,180,411.21

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Solution

The fourth proportional to 2,160,493.28, 2,981,445.45 and 1,180,411.21 is: 1,628,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,493.28 : 2,981,445.45 = 1,180,411.21 : x
  2. Step 2: Convert to fraction form
    2,160,493.28/2,981,445.45 = 1,180,411.21/x
  3. Step 3: Cross multiply
    2,160,493.28x = 2,981,445.45 × 1,180,411.21
  4. Step 4: Simplify right side
    2,160,493.28x = 3,519,331,630,483.76
  5. Step 5: Solve for x
    x = 3,519,331,630,483.76/2,160,493.28
  6. Step 6: Final answer
    x = 1,628,948.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.