Home / 5,176,661.12-7,143,799.20-2,884,771.52

Finding the Fourth Proportional to 5,176,661.12, 7,143,799.20 and 2,884,771.52

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Solution

The fourth proportional to 5,176,661.12, 7,143,799.20 and 2,884,771.52 is: 3,980,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,661.12 : 7,143,799.20 = 2,884,771.52 : x
  2. Step 2: Convert to fraction form
    5,176,661.12/7,143,799.20 = 2,884,771.52/x
  3. Step 3: Cross multiply
    5,176,661.12x = 7,143,799.20 × 2,884,771.52
  4. Step 4: Simplify right side
    5,176,661.12x = 20,608,228,476,758.79
  5. Step 5: Solve for x
    x = 20,608,228,476,758.79/5,176,661.12
  6. Step 6: Final answer
    x = 3,980,988.52

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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.