Home / 2,227,314.47-3,340,860.86-1,218,407.02

Finding the Fourth Proportional to 2,227,314.47, 3,340,860.86 and 1,218,407.02

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Solution

The fourth proportional to 2,227,314.47, 3,340,860.86 and 1,218,407.02 is: 1,827,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,314.47 : 3,340,860.86 = 1,218,407.02 : x
  2. Step 2: Convert to fraction form
    2,227,314.47/3,340,860.86 = 1,218,407.02/x
  3. Step 3: Cross multiply
    2,227,314.47x = 3,340,860.86 × 1,218,407.02
  4. Step 4: Simplify right side
    2,227,314.47x = 4,070,528,319,361.10
  5. Step 5: Solve for x
    x = 4,070,528,319,361.10/2,227,314.47
  6. Step 6: Final answer
    x = 1,827,549.90

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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.