Home / 4,578,021.20-6,868,125.30-1,383,178.70

Finding the Fourth Proportional to 4,578,021.20, 6,868,125.30 and 1,383,178.70

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Solution

The fourth proportional to 4,578,021.20, 6,868,125.30 and 1,383,178.70 is: 2,075,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578,021.20 : 6,868,125.30 = 1,383,178.70 : x
  2. Step 2: Convert to fraction form
    4,578,021.20/6,868,125.30 = 1,383,178.70/x
  3. Step 3: Cross multiply
    4,578,021.20x = 6,868,125.30 × 1,383,178.70
  4. Step 4: Simplify right side
    4,578,021.20x = 9,499,844,623,891.11
  5. Step 5: Solve for x
    x = 9,499,844,623,891.11/4,578,021.20
  6. Step 6: Final answer
    x = 2,075,098.43

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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.