Home / 3,391,443.10-5,087,164.65-866,964.70

Finding the Fourth Proportional to 3,391,443.10, 5,087,164.65 and 866,964.70

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Solution

The fourth proportional to 3,391,443.10, 5,087,164.65 and 866,964.70 is: 1,300,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,443.10 : 5,087,164.65 = 866,964.70 : x
  2. Step 2: Convert to fraction form
    3,391,443.10/5,087,164.65 = 866,964.70/x
  3. Step 3: Cross multiply
    3,391,443.10x = 5,087,164.65 × 866,964.70
  4. Step 4: Simplify right side
    3,391,443.10x = 4,410,392,174,637.86
  5. Step 5: Solve for x
    x = 4,410,392,174,637.86/3,391,443.10
  6. Step 6: Final answer
    x = 1,300,447.05

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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.