Home / 5,145,190.56-7,100,373.12-2,822,101.98

Finding the Fourth Proportional to 5,145,190.56, 7,100,373.12 and 2,822,101.98

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Solution

The fourth proportional to 5,145,190.56, 7,100,373.12 and 2,822,101.98 is: 3,894,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,190.56 : 7,100,373.12 = 2,822,101.98 : x
  2. Step 2: Convert to fraction form
    5,145,190.56/7,100,373.12 = 2,822,101.98/x
  3. Step 3: Cross multiply
    5,145,190.56x = 7,100,373.12 × 2,822,101.98
  4. Step 4: Simplify right side
    5,145,190.56x = 20,037,977,040,690.78
  5. Step 5: Solve for x
    x = 20,037,977,040,690.78/5,145,190.56
  6. Step 6: Final answer
    x = 3,894,506.30

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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.