Home / 2,931,444.60-4,397,021.10-1,511,644.20

Finding the Fourth Proportional to 2,931,444.60, 4,397,021.10 and 1,511,644.20

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Solution

The fourth proportional to 2,931,444.60, 4,397,021.10 and 1,511,644.20 is: 2,267,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,444.60 : 4,397,021.10 = 1,511,644.20 : x
  2. Step 2: Convert to fraction form
    2,931,444.60/4,397,021.10 = 1,511,644.20/x
  3. Step 3: Cross multiply
    2,931,444.60x = 4,397,021.10 × 1,511,644.20
  4. Step 4: Simplify right side
    2,931,444.60x = 6,646,731,443,092.62
  5. Step 5: Solve for x
    x = 6,646,731,443,092.62/2,931,444.60
  6. Step 6: Final answer
    x = 2,267,391.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.