Home / 3,314,648.15-4,972,079.15-918,515.87

Finding the Fourth Proportional to 3,314,648.15, 4,972,079.15 and 918,515.87

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Solution

The fourth proportional to 3,314,648.15, 4,972,079.15 and 918,515.87 is: 1,377,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,648.15 : 4,972,079.15 = 918,515.87 : x
  2. Step 2: Convert to fraction form
    3,314,648.15/4,972,079.15 = 918,515.87/x
  3. Step 3: Cross multiply
    3,314,648.15x = 4,972,079.15 × 918,515.87
  4. Step 4: Simplify right side
    3,314,648.15x = 4,566,933,576,718.14
  5. Step 5: Solve for x
    x = 4,566,933,576,718.14/3,314,648.15
  6. Step 6: Final answer
    x = 1,377,803.43

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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.