Home / 3,690,719.40-5,536,079.10-3,291,810.60

Finding the Fourth Proportional to 3,690,719.40, 5,536,079.10 and 3,291,810.60

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Solution

The fourth proportional to 3,690,719.40, 5,536,079.10 and 3,291,810.60 is: 4,937,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,719.40 : 5,536,079.10 = 3,291,810.60 : x
  2. Step 2: Convert to fraction form
    3,690,719.40/5,536,079.10 = 3,291,810.60/x
  3. Step 3: Cross multiply
    3,690,719.40x = 5,536,079.10 × 3,291,810.60
  4. Step 4: Simplify right side
    3,690,719.40x = 18,223,723,863,818.46
  5. Step 5: Solve for x
    x = 18,223,723,863,818.46/3,690,719.40
  6. Step 6: Final answer
    x = 4,937,715.90

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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.