Home / 2,260,321.78-3,118,001.66-1,431,878.20

Finding the Fourth Proportional to 2,260,321.78, 3,118,001.66 and 1,431,878.20

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Solution

The fourth proportional to 2,260,321.78, 3,118,001.66 and 1,431,878.20 is: 1,975,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260,321.78 : 3,118,001.66 = 1,431,878.20 : x
  2. Step 2: Convert to fraction form
    2,260,321.78/3,118,001.66 = 1,431,878.20/x
  3. Step 3: Cross multiply
    2,260,321.78x = 3,118,001.66 × 1,431,878.20
  4. Step 4: Simplify right side
    2,260,321.78x = 4,464,598,604,517.81
  5. Step 5: Solve for x
    x = 4,464,598,604,517.81/2,260,321.78
  6. Step 6: Final answer
    x = 1,975,204.88

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Double scale
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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.