Home / 1,821,134.54-2,513,099.76-1,005,320.70

Finding the Fourth Proportional to 1,821,134.54, 2,513,099.76 and 1,005,320.70

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Solution

The fourth proportional to 1,821,134.54, 2,513,099.76 and 1,005,320.70 is: 1,387,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,134.54 : 2,513,099.76 = 1,005,320.70 : x
  2. Step 2: Convert to fraction form
    1,821,134.54/2,513,099.76 = 1,005,320.70/x
  3. Step 3: Cross multiply
    1,821,134.54x = 2,513,099.76 × 1,005,320.70
  4. Step 4: Simplify right side
    1,821,134.54x = 2,526,471,209,893.03
  5. Step 5: Solve for x
    x = 2,526,471,209,893.03/1,821,134.54
  6. Step 6: Final answer
    x = 1,387,306.18

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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.