Home / 2,315,428.44-3,195,686.70-1,349,131.38

Finding the Fourth Proportional to 2,315,428.44, 3,195,686.70 and 1,349,131.38

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Solution

The fourth proportional to 2,315,428.44, 3,195,686.70 and 1,349,131.38 is: 1,862,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,428.44 : 3,195,686.70 = 1,349,131.38 : x
  2. Step 2: Convert to fraction form
    2,315,428.44/3,195,686.70 = 1,349,131.38/x
  3. Step 3: Cross multiply
    2,315,428.44x = 3,195,686.70 × 1,349,131.38
  4. Step 4: Simplify right side
    2,315,428.44x = 4,311,401,207,618.65
  5. Step 5: Solve for x
    x = 4,311,401,207,618.65/2,315,428.44
  6. Step 6: Final answer
    x = 1,862,031.72

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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.