Home / 6,174,921.35-8,521,578.30-3,421,351.15

Finding the Fourth Proportional to 6,174,921.35, 8,521,578.30 and 3,421,351.15

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Solution

The fourth proportional to 6,174,921.35, 8,521,578.30 and 3,421,351.15 is: 4,721,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174,921.35 : 8,521,578.30 = 3,421,351.15 : x
  2. Step 2: Convert to fraction form
    6,174,921.35/8,521,578.30 = 3,421,351.15/x
  3. Step 3: Cross multiply
    6,174,921.35x = 8,521,578.30 × 3,421,351.15
  4. Step 4: Simplify right side
    6,174,921.35x = 29,155,311,719,072.58
  5. Step 5: Solve for x
    x = 29,155,311,719,072.58/6,174,921.35
  6. Step 6: Final answer
    x = 4,721,568.11

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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.