Home / 2,712,927.60-4,070,039.40-819,687.60

Finding the Fourth Proportional to 2,712,927.60, 4,070,039.40 and 819,687.60

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Solution

The fourth proportional to 2,712,927.60, 4,070,039.40 and 819,687.60 is: 1,229,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,927.60 : 4,070,039.40 = 819,687.60 : x
  2. Step 2: Convert to fraction form
    2,712,927.60/4,070,039.40 = 819,687.60/x
  3. Step 3: Cross multiply
    2,712,927.60x = 4,070,039.40 × 819,687.60
  4. Step 4: Simplify right side
    2,712,927.60x = 3,336,160,827,691.44
  5. Step 5: Solve for x
    x = 3,336,160,827,691.44/2,712,927.60
  6. Step 6: Final answer
    x = 1,229,727.19

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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.