Home / 5,000,872.56-7,501,205.16-1,214,375.28

Finding the Fourth Proportional to 5,000,872.56, 7,501,205.16 and 1,214,375.28

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Solution

The fourth proportional to 5,000,872.56, 7,501,205.16 and 1,214,375.28 is: 1,821,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000,872.56 : 7,501,205.16 = 1,214,375.28 : x
  2. Step 2: Convert to fraction form
    5,000,872.56/7,501,205.16 = 1,214,375.28/x
  3. Step 3: Cross multiply
    5,000,872.56x = 7,501,205.16 × 1,214,375.28
  4. Step 4: Simplify right side
    5,000,872.56x = 9,109,278,116,512.45
  5. Step 5: Solve for x
    x = 9,109,278,116,512.45/5,000,872.56
  6. Step 6: Final answer
    x = 1,821,537.74

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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.