Home / 5,171,415.28-7,754,429.84-1,930,287.96

Finding the Fourth Proportional to 5,171,415.28, 7,754,429.84 and 1,930,287.96

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Solution

The fourth proportional to 5,171,415.28, 7,754,429.84 and 1,930,287.96 is: 2,894,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,415.28 : 7,754,429.84 = 1,930,287.96 : x
  2. Step 2: Convert to fraction form
    5,171,415.28/7,754,429.84 = 1,930,287.96/x
  3. Step 3: Cross multiply
    5,171,415.28x = 7,754,429.84 × 1,930,287.96
  4. Step 4: Simplify right side
    5,171,415.28x = 14,968,282,556,816.73
  5. Step 5: Solve for x
    x = 14,968,282,556,816.73/5,171,415.28
  6. Step 6: Final answer
    x = 2,894,426.72

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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.