Home / 2,585,182.60-3,878,355.39-788,247.71

Finding the Fourth Proportional to 2,585,182.60, 3,878,355.39 and 788,247.71

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Solution

The fourth proportional to 2,585,182.60, 3,878,355.39 and 788,247.71 is: 1,182,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,182.60 : 3,878,355.39 = 788,247.71 : x
  2. Step 2: Convert to fraction form
    2,585,182.60/3,878,355.39 = 788,247.71/x
  3. Step 3: Cross multiply
    2,585,182.60x = 3,878,355.39 × 788,247.71
  4. Step 4: Simplify right side
    2,585,182.60x = 3,057,104,754,733.66
  5. Step 5: Solve for x
    x = 3,057,104,754,733.66/2,585,182.60
  6. Step 6: Final answer
    x = 1,182,548.87

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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.