Home / 3,918,065.38-5,874,415.03-1,995,254.58

Finding the Fourth Proportional to 3,918,065.38, 5,874,415.03 and 1,995,254.58

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Solution

The fourth proportional to 3,918,065.38, 5,874,415.03 and 1,995,254.58 is: 2,991,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,065.38 : 5,874,415.03 = 1,995,254.58 : x
  2. Step 2: Convert to fraction form
    3,918,065.38/5,874,415.03 = 1,995,254.58/x
  3. Step 3: Cross multiply
    3,918,065.38x = 5,874,415.03 × 1,995,254.58
  4. Step 4: Simplify right side
    3,918,065.38x = 11,720,953,493,428.34
  5. Step 5: Solve for x
    x = 11,720,953,493,428.34/3,918,065.38
  6. Step 6: Final answer
    x = 2,991,515.55

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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.