Home / 2,012,126.40-3,018,189.60-1,212,996.60

Finding the Fourth Proportional to 2,012,126.40, 3,018,189.60 and 1,212,996.60

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Solution

The fourth proportional to 2,012,126.40, 3,018,189.60 and 1,212,996.60 is: 1,819,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,126.40 : 3,018,189.60 = 1,212,996.60 : x
  2. Step 2: Convert to fraction form
    2,012,126.40/3,018,189.60 = 1,212,996.60/x
  3. Step 3: Cross multiply
    2,012,126.40x = 3,018,189.60 × 1,212,996.60
  4. Step 4: Simplify right side
    2,012,126.40x = 3,661,053,722,955.36
  5. Step 5: Solve for x
    x = 3,661,053,722,955.36/2,012,126.40
  6. Step 6: Final answer
    x = 1,819,494.90

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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.