Home / 1,692,332.80-2,538,499.20-1,613,600.80

Finding the Fourth Proportional to 1,692,332.80, 2,538,499.20 and 1,613,600.80

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Solution

The fourth proportional to 1,692,332.80, 2,538,499.20 and 1,613,600.80 is: 2,420,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,332.80 : 2,538,499.20 = 1,613,600.80 : x
  2. Step 2: Convert to fraction form
    1,692,332.80/2,538,499.20 = 1,613,600.80/x
  3. Step 3: Cross multiply
    1,692,332.80x = 2,538,499.20 × 1,613,600.80
  4. Step 4: Simplify right side
    1,692,332.80x = 4,096,124,339,919.36
  5. Step 5: Solve for x
    x = 4,096,124,339,919.36/1,692,332.80
  6. Step 6: Final answer
    x = 2,420,401.20

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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.