Home / 3,120,309.15-4,672,590.53-2,490,453.15

Finding the Fourth Proportional to 3,120,309.15, 4,672,590.53 and 2,490,453.15

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Solution

The fourth proportional to 3,120,309.15, 4,672,590.53 and 2,490,453.15 is: 3,729,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,309.15 : 4,672,590.53 = 2,490,453.15 : x
  2. Step 2: Convert to fraction form
    3,120,309.15/4,672,590.53 = 2,490,453.15/x
  3. Step 3: Cross multiply
    3,120,309.15x = 4,672,590.53 × 2,490,453.15
  4. Step 4: Simplify right side
    3,120,309.15x = 11,636,867,791,646.40
  5. Step 5: Solve for x
    x = 11,636,867,791,646.40/3,120,309.15
  6. Step 6: Final answer
    x = 3,729,395.78

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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.