Home / 3,943,110.10-5,912,121.55-1,547,196.78

Finding the Fourth Proportional to 3,943,110.10, 5,912,121.55 and 1,547,196.78

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Solution

The fourth proportional to 3,943,110.10, 5,912,121.55 and 1,547,196.78 is: 2,319,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,110.10 : 5,912,121.55 = 1,547,196.78 : x
  2. Step 2: Convert to fraction form
    3,943,110.10/5,912,121.55 = 1,547,196.78/x
  3. Step 3: Cross multiply
    3,943,110.10x = 5,912,121.55 × 1,547,196.78
  4. Step 4: Simplify right side
    3,943,110.10x = 9,147,215,425,128.61
  5. Step 5: Solve for x
    x = 9,147,215,425,128.61/3,943,110.10
  6. Step 6: Final answer
    x = 2,319,797.11

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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.