Home / 2,070,119.20-3,105,178.80-650,318.80

Finding the Fourth Proportional to 2,070,119.20, 3,105,178.80 and 650,318.80

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Solution

The fourth proportional to 2,070,119.20, 3,105,178.80 and 650,318.80 is: 975,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,119.20 : 3,105,178.80 = 650,318.80 : x
  2. Step 2: Convert to fraction form
    2,070,119.20/3,105,178.80 = 650,318.80/x
  3. Step 3: Cross multiply
    2,070,119.20x = 3,105,178.80 × 650,318.80
  4. Step 4: Simplify right side
    2,070,119.20x = 2,019,356,151,001.44
  5. Step 5: Solve for x
    x = 2,019,356,151,001.44/2,070,119.20
  6. Step 6: Final answer
    x = 975,478.20

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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.