Home / 2,687,712.60-4,019,904.90-2,405,443.80

Finding the Fourth Proportional to 2,687,712.60, 4,019,904.90 and 2,405,443.80

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Solution

The fourth proportional to 2,687,712.60, 4,019,904.90 and 2,405,443.80 is: 3,597,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,712.60 : 4,019,904.90 = 2,405,443.80 : x
  2. Step 2: Convert to fraction form
    2,687,712.60/4,019,904.90 = 2,405,443.80/x
  3. Step 3: Cross multiply
    2,687,712.60x = 4,019,904.90 × 2,405,443.80
  4. Step 4: Simplify right side
    2,687,712.60x = 9,669,655,318,294.62
  5. Step 5: Solve for x
    x = 9,669,655,318,294.62/2,687,712.60
  6. Step 6: Final answer
    x = 3,597,726.68

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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.