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Finding the Fourth Proportional to 1,812,270.03, 2,500,868.61 and 996,468

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Solution

The fourth proportional to 1,812,270.03, 2,500,868.61 and 996,468 is: 1,375,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,270.03 : 2,500,868.61 = 996,468 : x
  2. Step 2: Convert to fraction form
    1,812,270.03/2,500,868.61 = 996,468/x
  3. Step 3: Cross multiply
    1,812,270.03x = 2,500,868.61 × 996,468
  4. Step 4: Simplify right side
    1,812,270.03x = 2,492,035,542,069.48
  5. Step 5: Solve for x
    x = 2,492,035,542,069.48/1,812,270.03
  6. Step 6: Final answer
    x = 1,375,090.63

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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.