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Finding the Fourth Proportional to 6,488,746.57, 8,954,528.30 and 3,588,332.59

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Solution

The fourth proportional to 6,488,746.57, 8,954,528.30 and 3,588,332.59 is: 4,951,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488,746.57 : 8,954,528.30 = 3,588,332.59 : x
  2. Step 2: Convert to fraction form
    6,488,746.57/8,954,528.30 = 3,588,332.59/x
  3. Step 3: Cross multiply
    6,488,746.57x = 8,954,528.30 × 3,588,332.59
  4. Step 4: Simplify right side
    6,488,746.57x = 32,131,825,726,967.30
  5. Step 5: Solve for x
    x = 32,131,825,726,967.30/6,488,746.57
  6. Step 6: Final answer
    x = 4,951,931.07

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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.