Home / 2,754,187.80-4,131,281.70-1,903,882.20

Finding the Fourth Proportional to 2,754,187.80, 4,131,281.70 and 1,903,882.20

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Solution

The fourth proportional to 2,754,187.80, 4,131,281.70 and 1,903,882.20 is: 2,855,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,187.80 : 4,131,281.70 = 1,903,882.20 : x
  2. Step 2: Convert to fraction form
    2,754,187.80/4,131,281.70 = 1,903,882.20/x
  3. Step 3: Cross multiply
    2,754,187.80x = 4,131,281.70 × 1,903,882.20
  4. Step 4: Simplify right side
    2,754,187.80x = 7,865,473,691,815.74
  5. Step 5: Solve for x
    x = 7,865,473,691,815.74/2,754,187.80
  6. Step 6: Final answer
    x = 2,855,823.30

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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.