Home / 1,581,180.40-2,182,029.78-856,028.26

Finding the Fourth Proportional to 1,581,180.40, 2,182,029.78 and 856,028.26

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Solution

The fourth proportional to 1,581,180.40, 2,182,029.78 and 856,028.26 is: 1,181,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,180.40 : 2,182,029.78 = 856,028.26 : x
  2. Step 2: Convert to fraction form
    1,581,180.40/2,182,029.78 = 856,028.26/x
  3. Step 3: Cross multiply
    1,581,180.40x = 2,182,029.78 × 856,028.26
  4. Step 4: Simplify right side
    1,581,180.40x = 1,867,879,155,841.58
  5. Step 5: Solve for x
    x = 1,867,879,155,841.58/1,581,180.40
  6. Step 6: Final answer
    x = 1,181,319.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.