Home / 3,613,154.40-4,986,217.02-1,981,547.52

Finding the Fourth Proportional to 3,613,154.40, 4,986,217.02 and 1,981,547.52

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Solution

The fourth proportional to 3,613,154.40, 4,986,217.02 and 1,981,547.52 is: 2,734,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,154.40 : 4,986,217.02 = 1,981,547.52 : x
  2. Step 2: Convert to fraction form
    3,613,154.40/4,986,217.02 = 1,981,547.52/x
  3. Step 3: Cross multiply
    3,613,154.40x = 4,986,217.02 × 1,981,547.52
  4. Step 4: Simplify right side
    3,613,154.40x = 9,880,425,970,162.79
  5. Step 5: Solve for x
    x = 9,880,425,970,162.79/3,613,154.40
  6. Step 6: Final answer
    x = 2,734,570.65

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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.