Home / 5,434,871.18-7,500,137.72-3,111,799.28

Finding the Fourth Proportional to 5,434,871.18, 7,500,137.72 and 3,111,799.28

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Solution

The fourth proportional to 5,434,871.18, 7,500,137.72 and 3,111,799.28 is: 4,294,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,871.18 : 7,500,137.72 = 3,111,799.28 : x
  2. Step 2: Convert to fraction form
    5,434,871.18/7,500,137.72 = 3,111,799.28/x
  3. Step 3: Cross multiply
    5,434,871.18x = 7,500,137.72 × 3,111,799.28
  4. Step 4: Simplify right side
    5,434,871.18x = 23,338,923,103,937.16
  5. Step 5: Solve for x
    x = 23,338,923,103,937.16/5,434,871.18
  6. Step 6: Final answer
    x = 4,294,291.87

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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.