Home / 2,580,737.95-3,870,856.78-783,637.22

Finding the Fourth Proportional to 2,580,737.95, 3,870,856.78 and 783,637.22

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Solution

The fourth proportional to 2,580,737.95, 3,870,856.78 and 783,637.22 is: 1,175,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,737.95 : 3,870,856.78 = 783,637.22 : x
  2. Step 2: Convert to fraction form
    2,580,737.95/3,870,856.78 = 783,637.22/x
  3. Step 3: Cross multiply
    2,580,737.95x = 3,870,856.78 × 783,637.22
  4. Step 4: Simplify right side
    2,580,737.95x = 3,033,347,446,097.35
  5. Step 5: Solve for x
    x = 3,033,347,446,097.35/2,580,737.95
  6. Step 6: Final answer
    x = 1,175,379.87

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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.