Home / 1,812,214.20-2,500,862.13-996,469.32

Finding the Fourth Proportional to 1,812,214.20, 2,500,862.13 and 996,469.32

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Solution

The fourth proportional to 1,812,214.20, 2,500,862.13 and 996,469.32 is: 1,375,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,214.20 : 2,500,862.13 = 996,469.32 : x
  2. Step 2: Convert to fraction form
    1,812,214.20/2,500,862.13 = 996,469.32/x
  3. Step 3: Cross multiply
    1,812,214.20x = 2,500,862.13 × 996,469.32
  4. Step 4: Simplify right side
    1,812,214.20x = 2,492,032,386,094.85
  5. Step 5: Solve for x
    x = 2,492,032,386,094.85/1,812,214.20
  6. Step 6: Final answer
    x = 1,375,131.25

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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.