Home / 3,919,737.80-5,876,826.78-1,521,561.08

Finding the Fourth Proportional to 3,919,737.80, 5,876,826.78 and 1,521,561.08

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Solution

The fourth proportional to 3,919,737.80, 5,876,826.78 and 1,521,561.08 is: 2,281,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,737.80 : 5,876,826.78 = 1,521,561.08 : x
  2. Step 2: Convert to fraction form
    3,919,737.80/5,876,826.78 = 1,521,561.08/x
  3. Step 3: Cross multiply
    3,919,737.80x = 5,876,826.78 × 1,521,561.08
  4. Step 4: Simplify right side
    3,919,737.80x = 8,941,950,902,349.72
  5. Step 5: Solve for x
    x = 8,941,950,902,349.72/3,919,737.80
  6. Step 6: Final answer
    x = 2,281,262.51

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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.