Home / 6,191,939.10-9,287,908.65-1,642,979.10

Finding the Fourth Proportional to 6,191,939.10, 9,287,908.65 and 1,642,979.10

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Solution

The fourth proportional to 6,191,939.10, 9,287,908.65 and 1,642,979.10 is: 2,464,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,939.10 : 9,287,908.65 = 1,642,979.10 : x
  2. Step 2: Convert to fraction form
    6,191,939.10/9,287,908.65 = 1,642,979.10/x
  3. Step 3: Cross multiply
    6,191,939.10x = 9,287,908.65 × 1,642,979.10
  4. Step 4: Simplify right side
    6,191,939.10x = 15,259,839,794,659.22
  5. Step 5: Solve for x
    x = 15,259,839,794,659.22/6,191,939.10
  6. Step 6: Final answer
    x = 2,464,468.65

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Similar ratio
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1.5x scale

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.