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Finding the Fourth Proportional to 6,393,148.16, 8,822,674.51 and 3,492,726.89

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Solution

The fourth proportional to 6,393,148.16, 8,822,674.51 and 3,492,726.89 is: 4,820,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393,148.16 : 8,822,674.51 = 3,492,726.89 : x
  2. Step 2: Convert to fraction form
    6,393,148.16/8,822,674.51 = 3,492,726.89/x
  3. Step 3: Cross multiply
    6,393,148.16x = 8,822,674.51 × 3,492,726.89
  4. Step 4: Simplify right side
    6,393,148.16x = 30,815,192,449,949.38
  5. Step 5: Solve for x
    x = 30,815,192,449,949.38/6,393,148.16
  6. Step 6: Final answer
    x = 4,820,034.15

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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.