Home / 2,191,146.40-3,286,719.60-1,306,410.40

Finding the Fourth Proportional to 2,191,146.40, 3,286,719.60 and 1,306,410.40

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Solution

The fourth proportional to 2,191,146.40, 3,286,719.60 and 1,306,410.40 is: 1,959,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,146.40 : 3,286,719.60 = 1,306,410.40 : x
  2. Step 2: Convert to fraction form
    2,191,146.40/3,286,719.60 = 1,306,410.40/x
  3. Step 3: Cross multiply
    2,191,146.40x = 3,286,719.60 × 1,306,410.40
  4. Step 4: Simplify right side
    2,191,146.40x = 4,293,804,667,323.84
  5. Step 5: Solve for x
    x = 4,293,804,667,323.84/2,191,146.40
  6. Step 6: Final answer
    x = 1,959,615.60

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Similar ratio
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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.