Home / 2,229,179.12-3,077,209.08-1,505,007.92

Finding the Fourth Proportional to 2,229,179.12, 3,077,209.08 and 1,505,007.92

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Solution

The fourth proportional to 2,229,179.12, 3,077,209.08 and 1,505,007.92 is: 2,077,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,179.12 : 3,077,209.08 = 1,505,007.92 : x
  2. Step 2: Convert to fraction form
    2,229,179.12/3,077,209.08 = 1,505,007.92/x
  3. Step 3: Cross multiply
    2,229,179.12x = 3,077,209.08 × 1,505,007.92
  4. Step 4: Simplify right side
    2,229,179.12x = 4,631,224,036,895.91
  5. Step 5: Solve for x
    x = 4,631,224,036,895.91/2,229,179.12
  6. Step 6: Final answer
    x = 2,077,546.84

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1.5x scale

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.