Home / 3,119,742.59-4,305,333.08-1,761,819.71

Finding the Fourth Proportional to 3,119,742.59, 4,305,333.08 and 1,761,819.71

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Solution

The fourth proportional to 3,119,742.59, 4,305,333.08 and 1,761,819.71 is: 2,431,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,742.59 : 4,305,333.08 = 1,761,819.71 : x
  2. Step 2: Convert to fraction form
    3,119,742.59/4,305,333.08 = 1,761,819.71/x
  3. Step 3: Cross multiply
    3,119,742.59x = 4,305,333.08 × 1,761,819.71
  4. Step 4: Simplify right side
    3,119,742.59x = 7,585,220,669,649.91
  5. Step 5: Solve for x
    x = 7,585,220,669,649.91/3,119,742.59
  6. Step 6: Final answer
    x = 2,431,361.07

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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.