Home / 3,120,672.30-4,681,008.45-2,057,790.30

Finding the Fourth Proportional to 3,120,672.30, 4,681,008.45 and 2,057,790.30

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Solution

The fourth proportional to 3,120,672.30, 4,681,008.45 and 2,057,790.30 is: 3,086,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,672.30 : 4,681,008.45 = 2,057,790.30 : x
  2. Step 2: Convert to fraction form
    3,120,672.30/4,681,008.45 = 2,057,790.30/x
  3. Step 3: Cross multiply
    3,120,672.30x = 4,681,008.45 × 2,057,790.30
  4. Step 4: Simplify right side
    3,120,672.30x = 9,632,533,782,628.04
  5. Step 5: Solve for x
    x = 9,632,533,782,628.04/3,120,672.30
  6. Step 6: Final answer
    x = 3,086,685.45

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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.