Home / 1,815,122.40-2,722,683.60-1,791,502.80

Finding the Fourth Proportional to 1,815,122.40, 2,722,683.60 and 1,791,502.80

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Solution

The fourth proportional to 1,815,122.40, 2,722,683.60 and 1,791,502.80 is: 2,687,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,122.40 : 2,722,683.60 = 1,791,502.80 : x
  2. Step 2: Convert to fraction form
    1,815,122.40/2,722,683.60 = 1,791,502.80/x
  3. Step 3: Cross multiply
    1,815,122.40x = 2,722,683.60 × 1,791,502.80
  4. Step 4: Simplify right side
    1,815,122.40x = 4,877,695,292,914.08
  5. Step 5: Solve for x
    x = 4,877,695,292,914.08/1,815,122.40
  6. Step 6: Final answer
    x = 2,687,254.20

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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.