Home / 2,715,857.28-3,747,868.11-1,475,457.30

Finding the Fourth Proportional to 2,715,857.28, 3,747,868.11 and 1,475,457.30

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Solution

The fourth proportional to 2,715,857.28, 3,747,868.11 and 1,475,457.30 is: 2,036,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,857.28 : 3,747,868.11 = 1,475,457.30 : x
  2. Step 2: Convert to fraction form
    2,715,857.28/3,747,868.11 = 1,475,457.30/x
  3. Step 3: Cross multiply
    2,715,857.28x = 3,747,868.11 × 1,475,457.30
  4. Step 4: Simplify right side
    2,715,857.28x = 5,529,819,362,336.70
  5. Step 5: Solve for x
    x = 5,529,819,362,336.70/2,715,857.28
  6. Step 6: Final answer
    x = 2,036,122.96

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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.