Home / 2,585,195.86-3,878,375.28-788,260.98

Finding the Fourth Proportional to 2,585,195.86, 3,878,375.28 and 788,260.98

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Solution

The fourth proportional to 2,585,195.86, 3,878,375.28 and 788,260.98 is: 1,182,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,195.86 : 3,878,375.28 = 788,260.98 : x
  2. Step 2: Convert to fraction form
    2,585,195.86/3,878,375.28 = 788,260.98/x
  3. Step 3: Cross multiply
    2,585,195.86x = 3,878,375.28 × 788,260.98
  4. Step 4: Simplify right side
    2,585,195.86x = 3,057,171,899,020.57
  5. Step 5: Solve for x
    x = 3,057,171,899,020.57/2,585,195.86
  6. Step 6: Final answer
    x = 1,182,568.77

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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.