Home / 2,580,742.70-3,870,863.90-783,641.96

Finding the Fourth Proportional to 2,580,742.70, 3,870,863.90 and 783,641.96

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Solution

The fourth proportional to 2,580,742.70, 3,870,863.90 and 783,641.96 is: 1,175,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,742.70 : 3,870,863.90 = 783,641.96 : x
  2. Step 2: Convert to fraction form
    2,580,742.70/3,870,863.90 = 783,641.96/x
  3. Step 3: Cross multiply
    2,580,742.70x = 3,870,863.90 × 783,641.96
  4. Step 4: Simplify right side
    2,580,742.70x = 3,033,371,373,489.24
  5. Step 5: Solve for x
    x = 3,033,371,373,489.24/2,580,742.70
  6. Step 6: Final answer
    x = 1,175,386.98

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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.