Home / 3,919,505.16-5,408,734.38-2,177,287.50

Finding the Fourth Proportional to 3,919,505.16, 5,408,734.38 and 2,177,287.50

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Solution

The fourth proportional to 3,919,505.16, 5,408,734.38 and 2,177,287.50 is: 3,004,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,505.16 : 5,408,734.38 = 2,177,287.50 : x
  2. Step 2: Convert to fraction form
    3,919,505.16/5,408,734.38 = 2,177,287.50/x
  3. Step 3: Cross multiply
    3,919,505.16x = 5,408,734.38 × 2,177,287.50
  4. Step 4: Simplify right side
    3,919,505.16x = 11,776,369,756,394.25
  5. Step 5: Solve for x
    x = 11,776,369,756,394.25/3,919,505.16
  6. Step 6: Final answer
    x = 3,004,555.24

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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.