Home / 3,791,143.80-5,686,715.70-2,108,247.30

Finding the Fourth Proportional to 3,791,143.80, 5,686,715.70 and 2,108,247.30

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Solution

The fourth proportional to 3,791,143.80, 5,686,715.70 and 2,108,247.30 is: 3,162,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791,143.80 : 5,686,715.70 = 2,108,247.30 : x
  2. Step 2: Convert to fraction form
    3,791,143.80/5,686,715.70 = 2,108,247.30/x
  3. Step 3: Cross multiply
    3,791,143.80x = 5,686,715.70 × 2,108,247.30
  4. Step 4: Simplify right side
    3,791,143.80x = 11,989,003,020,392.61
  5. Step 5: Solve for x
    x = 11,989,003,020,392.61/3,791,143.80
  6. Step 6: Final answer
    x = 3,162,370.95

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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.