Home / 3,139,917.40-4,709,876.10-1,145,114.20

Finding the Fourth Proportional to 3,139,917.40, 4,709,876.10 and 1,145,114.20

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Solution

The fourth proportional to 3,139,917.40, 4,709,876.10 and 1,145,114.20 is: 1,717,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,917.40 : 4,709,876.10 = 1,145,114.20 : x
  2. Step 2: Convert to fraction form
    3,139,917.40/4,709,876.10 = 1,145,114.20/x
  3. Step 3: Cross multiply
    3,139,917.40x = 4,709,876.10 × 1,145,114.20
  4. Step 4: Simplify right side
    3,139,917.40x = 5,393,346,002,350.62
  5. Step 5: Solve for x
    x = 5,393,346,002,350.62/3,139,917.40
  6. Step 6: Final answer
    x = 1,717,671.30

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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.