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Finding the Fourth Proportional to 5,666,585.72, 7,819,660.62 and 3,088,211.13

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Solution

The fourth proportional to 5,666,585.72, 7,819,660.62 and 3,088,211.13 is: 4,261,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,585.72 : 7,819,660.62 = 3,088,211.13 : x
  2. Step 2: Convert to fraction form
    5,666,585.72/7,819,660.62 = 3,088,211.13/x
  3. Step 3: Cross multiply
    5,666,585.72x = 7,819,660.62 × 3,088,211.13
  4. Step 4: Simplify right side
    5,666,585.72x = 24,148,762,959,506.70
  5. Step 5: Solve for x
    x = 24,148,762,959,506.70/5,666,585.72
  6. Step 6: Final answer
    x = 4,261,607.28

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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.