Home / 2,227,687.24-3,074,126.16-1,209,070.12

Finding the Fourth Proportional to 2,227,687.24, 3,074,126.16 and 1,209,070.12

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Solution

The fourth proportional to 2,227,687.24, 3,074,126.16 and 1,209,070.12 is: 1,668,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,687.24 : 3,074,126.16 = 1,209,070.12 : x
  2. Step 2: Convert to fraction form
    2,227,687.24/3,074,126.16 = 1,209,070.12/x
  3. Step 3: Cross multiply
    2,227,687.24x = 3,074,126.16 × 1,209,070.12
  4. Step 4: Simplify right side
    2,227,687.24x = 3,716,834,085,166.34
  5. Step 5: Solve for x
    x = 3,716,834,085,166.34/2,227,687.24
  6. Step 6: Final answer
    x = 1,668,472.13

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1.5x scale

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.