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Finding the Fourth Proportional to 6,472,722.96, 8,932,572.27 and 3,532,700.79

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Solution

The fourth proportional to 6,472,722.96, 8,932,572.27 and 3,532,700.79 is: 4,875,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,722.96 : 8,932,572.27 = 3,532,700.79 : x
  2. Step 2: Convert to fraction form
    6,472,722.96/8,932,572.27 = 3,532,700.79/x
  3. Step 3: Cross multiply
    6,472,722.96x = 8,932,572.27 × 3,532,700.79
  4. Step 4: Simplify right side
    6,472,722.96x = 31,556,105,114,961.09
  5. Step 5: Solve for x
    x = 31,556,105,114,961.09/6,472,722.96
  6. Step 6: Final answer
    x = 4,875,244.21

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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.