Home / 2,580,065.70-3,869,114.40-782,351.70

Finding the Fourth Proportional to 2,580,065.70, 3,869,114.40 and 782,351.70

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Solution

The fourth proportional to 2,580,065.70, 3,869,114.40 and 782,351.70 is: 1,173,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,065.70 : 3,869,114.40 = 782,351.70 : x
  2. Step 2: Convert to fraction form
    2,580,065.70/3,869,114.40 = 782,351.70/x
  3. Step 3: Cross multiply
    2,580,065.70x = 3,869,114.40 × 782,351.70
  4. Step 4: Simplify right side
    2,580,065.70x = 3,027,008,228,334.48
  5. Step 5: Solve for x
    x = 3,027,008,228,334.48/2,580,065.70
  6. Step 6: Final answer
    x = 1,173,229.13

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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.