Home / 3,180,764.38-4,390,357.32-1,874,775.46

Finding the Fourth Proportional to 3,180,764.38, 4,390,357.32 and 1,874,775.46

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Solution

The fourth proportional to 3,180,764.38, 4,390,357.32 and 1,874,775.46 is: 2,587,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,764.38 : 4,390,357.32 = 1,874,775.46 : x
  2. Step 2: Convert to fraction form
    3,180,764.38/4,390,357.32 = 1,874,775.46/x
  3. Step 3: Cross multiply
    3,180,764.38x = 4,390,357.32 × 1,874,775.46
  4. Step 4: Simplify right side
    3,180,764.38x = 8,230,934,132,841.70
  5. Step 5: Solve for x
    x = 8,230,934,132,841.70/3,180,764.38
  6. Step 6: Final answer
    x = 2,587,722.06

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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.