Home / 3,587,841.81-5,378,714.57-1,669,866.80

Finding the Fourth Proportional to 3,587,841.81, 5,378,714.57 and 1,669,866.80

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Solution

The fourth proportional to 3,587,841.81, 5,378,714.57 and 1,669,866.80 is: 2,503,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,841.81 : 5,378,714.57 = 1,669,866.80 : x
  2. Step 2: Convert to fraction form
    3,587,841.81/5,378,714.57 = 1,669,866.80/x
  3. Step 3: Cross multiply
    3,587,841.81x = 5,378,714.57 × 1,669,866.80
  4. Step 4: Simplify right side
    3,587,841.81x = 8,981,736,887,119.28
  5. Step 5: Solve for x
    x = 8,981,736,887,119.28/3,587,841.81
  6. Step 6: Final answer
    x = 2,503,381.52

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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.