Home / 1,819,876.26-2,730,135.24-621,517.68

Finding the Fourth Proportional to 1,819,876.26, 2,730,135.24 and 621,517.68

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Solution

The fourth proportional to 1,819,876.26, 2,730,135.24 and 621,517.68 is: 932,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,876.26 : 2,730,135.24 = 621,517.68 : x
  2. Step 2: Convert to fraction form
    1,819,876.26/2,730,135.24 = 621,517.68/x
  3. Step 3: Cross multiply
    1,819,876.26x = 2,730,135.24 × 621,517.68
  4. Step 4: Simplify right side
    1,819,876.26x = 1,696,827,320,451.04
  5. Step 5: Solve for x
    x = 1,696,827,320,451.04/1,819,876.26
  6. Step 6: Final answer
    x = 932,386.10

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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.