Home / 3,547,057.40-5,320,586.10-2,126,382.20

Finding the Fourth Proportional to 3,547,057.40, 5,320,586.10 and 2,126,382.20

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Solution

The fourth proportional to 3,547,057.40, 5,320,586.10 and 2,126,382.20 is: 3,189,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,057.40 : 5,320,586.10 = 2,126,382.20 : x
  2. Step 2: Convert to fraction form
    3,547,057.40/5,320,586.10 = 2,126,382.20/x
  3. Step 3: Cross multiply
    3,547,057.40x = 5,320,586.10 × 2,126,382.20
  4. Step 4: Simplify right side
    3,547,057.40x = 11,313,599,576,607.42
  5. Step 5: Solve for x
    x = 11,313,599,576,607.42/3,547,057.40
  6. Step 6: Final answer
    x = 3,189,573.30

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Double scale
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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.