Home / 1,491,509.40-2,237,264.10-1,481,011.80

Finding the Fourth Proportional to 1,491,509.40, 2,237,264.10 and 1,481,011.80

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Solution

The fourth proportional to 1,491,509.40, 2,237,264.10 and 1,481,011.80 is: 2,221,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,509.40 : 2,237,264.10 = 1,481,011.80 : x
  2. Step 2: Convert to fraction form
    1,491,509.40/2,237,264.10 = 1,481,011.80/x
  3. Step 3: Cross multiply
    1,491,509.40x = 2,237,264.10 × 1,481,011.80
  4. Step 4: Simplify right side
    1,491,509.40x = 3,313,414,531,816.38
  5. Step 5: Solve for x
    x = 3,313,414,531,816.38/1,491,509.40
  6. Step 6: Final answer
    x = 2,221,517.70

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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.