Home / 3,154,124.80-4,351,318.88-1,930,484.80

Finding the Fourth Proportional to 3,154,124.80, 4,351,318.88 and 1,930,484.80

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Solution

The fourth proportional to 3,154,124.80, 4,351,318.88 and 1,930,484.80 is: 2,663,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,124.80 : 4,351,318.88 = 1,930,484.80 : x
  2. Step 2: Convert to fraction form
    3,154,124.80/4,351,318.88 = 1,930,484.80/x
  3. Step 3: Cross multiply
    3,154,124.80x = 4,351,318.88 × 1,930,484.80
  4. Step 4: Simplify right side
    3,154,124.80x = 8,400,154,957,793.03
  5. Step 5: Solve for x
    x = 8,400,154,957,793.03/3,154,124.80
  6. Step 6: Final answer
    x = 2,663,228.47

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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.