Home / 3,852,781.30-5,320,412.13-2,884,230.10

Finding the Fourth Proportional to 3,852,781.30, 5,320,412.13 and 2,884,230.10

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Solution

The fourth proportional to 3,852,781.30, 5,320,412.13 and 2,884,230.10 is: 3,982,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,781.30 : 5,320,412.13 = 2,884,230.10 : x
  2. Step 2: Convert to fraction form
    3,852,781.30/5,320,412.13 = 2,884,230.10/x
  3. Step 3: Cross multiply
    3,852,781.30x = 5,320,412.13 × 2,884,230.10
  4. Step 4: Simplify right side
    3,852,781.30x = 15,345,292,809,751.11
  5. Step 5: Solve for x
    x = 15,345,292,809,751.11/3,852,781.30
  6. Step 6: Final answer
    x = 3,982,913.02

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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.