Home / 2,528,781.20-3,793,171.80-1,330,240.40

Finding the Fourth Proportional to 2,528,781.20, 3,793,171.80 and 1,330,240.40

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Solution

The fourth proportional to 2,528,781.20, 3,793,171.80 and 1,330,240.40 is: 1,995,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,781.20 : 3,793,171.80 = 1,330,240.40 : x
  2. Step 2: Convert to fraction form
    2,528,781.20/3,793,171.80 = 1,330,240.40/x
  3. Step 3: Cross multiply
    2,528,781.20x = 3,793,171.80 × 1,330,240.40
  4. Step 4: Simplify right side
    2,528,781.20x = 5,045,830,372,500.72
  5. Step 5: Solve for x
    x = 5,045,830,372,500.72/2,528,781.20
  6. Step 6: Final answer
    x = 1,995,360.60

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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.