Home / 2,579,687.60-3,869,531.40-981,719.60

Finding the Fourth Proportional to 2,579,687.60, 3,869,531.40 and 981,719.60

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Solution

The fourth proportional to 2,579,687.60, 3,869,531.40 and 981,719.60 is: 1,472,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,687.60 : 3,869,531.40 = 981,719.60 : x
  2. Step 2: Convert to fraction form
    2,579,687.60/3,869,531.40 = 981,719.60/x
  3. Step 3: Cross multiply
    2,579,687.60x = 3,869,531.40 × 981,719.60
  4. Step 4: Simplify right side
    2,579,687.60x = 3,798,794,818,195.44
  5. Step 5: Solve for x
    x = 3,798,794,818,195.44/2,579,687.60
  6. Step 6: Final answer
    x = 1,472,579.40

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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.