Home / 2,484,466.78-3,428,531.31-1,381,890.70

Finding the Fourth Proportional to 2,484,466.78, 3,428,531.31 and 1,381,890.70

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Solution

The fourth proportional to 2,484,466.78, 3,428,531.31 and 1,381,890.70 is: 1,906,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484,466.78 : 3,428,531.31 = 1,381,890.70 : x
  2. Step 2: Convert to fraction form
    2,484,466.78/3,428,531.31 = 1,381,890.70/x
  3. Step 3: Cross multiply
    2,484,466.78x = 3,428,531.31 × 1,381,890.70
  4. Step 4: Simplify right side
    2,484,466.78x = 4,737,855,531,947.82
  5. Step 5: Solve for x
    x = 4,737,855,531,947.82/2,484,466.78
  6. Step 6: Final answer
    x = 1,906,990.90

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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.