Home / 3,400,505.17-4,692,650.76-1,930,400.92

Finding the Fourth Proportional to 3,400,505.17, 4,692,650.76 and 1,930,400.92

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Solution

The fourth proportional to 3,400,505.17, 4,692,650.76 and 1,930,400.92 is: 2,663,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,505.17 : 4,692,650.76 = 1,930,400.92 : x
  2. Step 2: Convert to fraction form
    3,400,505.17/4,692,650.76 = 1,930,400.92/x
  3. Step 3: Cross multiply
    3,400,505.17x = 4,692,650.76 × 1,930,400.92
  4. Step 4: Simplify right side
    3,400,505.17x = 9,058,697,344,342.70
  5. Step 5: Solve for x
    x = 9,058,697,344,342.70/3,400,505.17
  6. Step 6: Final answer
    x = 2,663,926.94

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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.