Home / 1,786,657.50-2,465,587.35-981,841.50

Finding the Fourth Proportional to 1,786,657.50, 2,465,587.35 and 981,841.50

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Solution

The fourth proportional to 1,786,657.50, 2,465,587.35 and 981,841.50 is: 1,354,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,657.50 : 2,465,587.35 = 981,841.50 : x
  2. Step 2: Convert to fraction form
    1,786,657.50/2,465,587.35 = 981,841.50/x
  3. Step 3: Cross multiply
    1,786,657.50x = 2,465,587.35 × 981,841.50
  4. Step 4: Simplify right side
    1,786,657.50x = 2,420,815,982,105.03
  5. Step 5: Solve for x
    x = 2,420,815,982,105.03/1,786,657.50
  6. Step 6: Final answer
    x = 1,354,941.27

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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.