Home / 1,581,341.28-2,182,110.39-936,657.42

Finding the Fourth Proportional to 1,581,341.28, 2,182,110.39 and 936,657.42

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Solution

The fourth proportional to 1,581,341.28, 2,182,110.39 and 936,657.42 is: 1,292,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,341.28 : 2,182,110.39 = 936,657.42 : x
  2. Step 2: Convert to fraction form
    1,581,341.28/2,182,110.39 = 936,657.42/x
  3. Step 3: Cross multiply
    1,581,341.28x = 2,182,110.39 × 936,657.42
  4. Step 4: Simplify right side
    1,581,341.28x = 2,043,889,888,052.59
  5. Step 5: Solve for x
    x = 2,043,889,888,052.59/1,581,341.28
  6. Step 6: Final answer
    x = 1,292,503.97

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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.