Home / 2,545,306.45-3,512,432.52-1,399,378.45

Finding the Fourth Proportional to 2,545,306.45, 3,512,432.52 and 1,399,378.45

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Solution

The fourth proportional to 2,545,306.45, 3,512,432.52 and 1,399,378.45 is: 1,931,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,306.45 : 3,512,432.52 = 1,399,378.45 : x
  2. Step 2: Convert to fraction form
    2,545,306.45/3,512,432.52 = 1,399,378.45/x
  3. Step 3: Cross multiply
    2,545,306.45x = 3,512,432.52 × 1,399,378.45
  4. Step 4: Simplify right side
    2,545,306.45x = 4,915,222,351,008.14
  5. Step 5: Solve for x
    x = 4,915,222,351,008.14/2,545,306.45
  6. Step 6: Final answer
    x = 1,931,092.56

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1.5x scale

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.