Home / 6,320,136.54-8,721,726.42-3,419,463.77

Finding the Fourth Proportional to 6,320,136.54, 8,721,726.42 and 3,419,463.77

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Solution

The fourth proportional to 6,320,136.54, 8,721,726.42 and 3,419,463.77 is: 4,718,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,136.54 : 8,721,726.42 = 3,419,463.77 : x
  2. Step 2: Convert to fraction form
    6,320,136.54/8,721,726.42 = 3,419,463.77/x
  3. Step 3: Cross multiply
    6,320,136.54x = 8,721,726.42 × 3,419,463.77
  4. Step 4: Simplify right side
    6,320,136.54x = 29,823,627,461,433.17
  5. Step 5: Solve for x
    x = 29,823,627,461,433.17/6,320,136.54
  6. Step 6: Final answer
    x = 4,718,826.45

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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.