Home / 2,767,687.80-4,152,114.90-1,169,428.20

Finding the Fourth Proportional to 2,767,687.80, 4,152,114.90 and 1,169,428.20

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Solution

The fourth proportional to 2,767,687.80, 4,152,114.90 and 1,169,428.20 is: 1,754,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,687.80 : 4,152,114.90 = 1,169,428.20 : x
  2. Step 2: Convert to fraction form
    2,767,687.80/4,152,114.90 = 1,169,428.20/x
  3. Step 3: Cross multiply
    2,767,687.80x = 4,152,114.90 × 1,169,428.20
  4. Step 4: Simplify right side
    2,767,687.80x = 4,855,600,253,700.18
  5. Step 5: Solve for x
    x = 4,855,600,253,700.18/2,767,687.80
  6. Step 6: Final answer
    x = 1,754,388.72

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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.