Home / 2,718,143.80-4,077,215.70-824,882.20

Finding the Fourth Proportional to 2,718,143.80, 4,077,215.70 and 824,882.20

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Solution

The fourth proportional to 2,718,143.80, 4,077,215.70 and 824,882.20 is: 1,237,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,143.80 : 4,077,215.70 = 824,882.20 : x
  2. Step 2: Convert to fraction form
    2,718,143.80/4,077,215.70 = 824,882.20/x
  3. Step 3: Cross multiply
    2,718,143.80x = 4,077,215.70 × 824,882.20
  4. Step 4: Simplify right side
    2,718,143.80x = 3,363,222,656,490.54
  5. Step 5: Solve for x
    x = 3,363,222,656,490.54/2,718,143.80
  6. Step 6: Final answer
    x = 1,237,323.30

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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.