Home / 1,901,151.85-2,851,125.13-621,469.57

Finding the Fourth Proportional to 1,901,151.85, 2,851,125.13 and 621,469.57

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Solution

The fourth proportional to 1,901,151.85, 2,851,125.13 and 621,469.57 is: 932,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,151.85 : 2,851,125.13 = 621,469.57 : x
  2. Step 2: Convert to fraction form
    1,901,151.85/2,851,125.13 = 621,469.57/x
  3. Step 3: Cross multiply
    1,901,151.85x = 2,851,125.13 × 621,469.57
  4. Step 4: Simplify right side
    1,901,151.85x = 1,771,887,508,557.29
  5. Step 5: Solve for x
    x = 1,771,887,508,557.29/1,901,151.85
  6. Step 6: Final answer
    x = 932,007.36

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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.