Home / 2,148,708.40-3,223,062.60-1,613,330.80

Finding the Fourth Proportional to 2,148,708.40, 3,223,062.60 and 1,613,330.80

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Solution

The fourth proportional to 2,148,708.40, 3,223,062.60 and 1,613,330.80 is: 2,419,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,708.40 : 3,223,062.60 = 1,613,330.80 : x
  2. Step 2: Convert to fraction form
    2,148,708.40/3,223,062.60 = 1,613,330.80/x
  3. Step 3: Cross multiply
    2,148,708.40x = 3,223,062.60 × 1,613,330.80
  4. Step 4: Simplify right side
    2,148,708.40x = 5,199,866,162,908.08
  5. Step 5: Solve for x
    x = 5,199,866,162,908.08/2,148,708.40
  6. Step 6: Final answer
    x = 2,419,996.20

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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.