Home / 1,721,003.76-2,581,165.44-1,635,655.68

Finding the Fourth Proportional to 1,721,003.76, 2,581,165.44 and 1,635,655.68

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Solution

The fourth proportional to 1,721,003.76, 2,581,165.44 and 1,635,655.68 is: 2,453,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,003.76 : 2,581,165.44 = 1,635,655.68 : x
  2. Step 2: Convert to fraction form
    1,721,003.76/2,581,165.44 = 1,635,655.68/x
  3. Step 3: Cross multiply
    1,721,003.76x = 2,581,165.44 × 1,635,655.68
  4. Step 4: Simplify right side
    1,721,003.76x = 4,221,897,912,955.70
  5. Step 5: Solve for x
    x = 4,221,897,912,955.70/1,721,003.76
  6. Step 6: Final answer
    x = 2,453,160.19

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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.