Home / 2,190,959.40-3,286,439.10-1,011,311.40

Finding the Fourth Proportional to 2,190,959.40, 3,286,439.10 and 1,011,311.40

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Solution

The fourth proportional to 2,190,959.40, 3,286,439.10 and 1,011,311.40 is: 1,516,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,959.40 : 3,286,439.10 = 1,011,311.40 : x
  2. Step 2: Convert to fraction form
    2,190,959.40/3,286,439.10 = 1,011,311.40/x
  3. Step 3: Cross multiply
    2,190,959.40x = 3,286,439.10 × 1,011,311.40
  4. Step 4: Simplify right side
    2,190,959.40x = 3,323,613,327,235.74
  5. Step 5: Solve for x
    x = 3,323,613,327,235.74/2,190,959.40
  6. Step 6: Final answer
    x = 1,516,967.10

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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.