Home / 2,087,851.20-3,131,776.80-1,024,969.20

Finding the Fourth Proportional to 2,087,851.20, 3,131,776.80 and 1,024,969.20

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Solution

The fourth proportional to 2,087,851.20, 3,131,776.80 and 1,024,969.20 is: 1,537,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,851.20 : 3,131,776.80 = 1,024,969.20 : x
  2. Step 2: Convert to fraction form
    2,087,851.20/3,131,776.80 = 1,024,969.20/x
  3. Step 3: Cross multiply
    2,087,851.20x = 3,131,776.80 × 1,024,969.20
  4. Step 4: Simplify right side
    2,087,851.20x = 3,209,974,761,274.56
  5. Step 5: Solve for x
    x = 3,209,974,761,274.56/2,087,851.20
  6. Step 6: Final answer
    x = 1,537,453.80

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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.