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Finding the Fourth Proportional to 1,791,742.04, 2,472,618.66 and 975,948.92

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Solution

The fourth proportional to 1,791,742.04, 2,472,618.66 and 975,948.92 is: 1,346,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,742.04 : 2,472,618.66 = 975,948.92 : x
  2. Step 2: Convert to fraction form
    1,791,742.04/2,472,618.66 = 975,948.92/x
  3. Step 3: Cross multiply
    1,791,742.04x = 2,472,618.66 × 975,948.92
  4. Step 4: Simplify right side
    1,791,742.04x = 2,413,149,510,798.85
  5. Step 5: Solve for x
    x = 2,413,149,510,798.85/1,791,742.04
  6. Step 6: Final answer
    x = 1,346,817.49

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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.