Home / 3,690,989.06-5,090,384.13-2,401,358.90

Finding the Fourth Proportional to 3,690,989.06, 5,090,384.13 and 2,401,358.90

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Solution

The fourth proportional to 3,690,989.06, 5,090,384.13 and 2,401,358.90 is: 3,311,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,989.06 : 5,090,384.13 = 2,401,358.90 : x
  2. Step 2: Convert to fraction form
    3,690,989.06/5,090,384.13 = 2,401,358.90/x
  3. Step 3: Cross multiply
    3,690,989.06x = 5,090,384.13 × 2,401,358.90
  4. Step 4: Simplify right side
    3,690,989.06x = 12,223,839,234,994.26
  5. Step 5: Solve for x
    x = 12,223,839,234,994.26/3,690,989.06
  6. Step 6: Final answer
    x = 3,311,805.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.