Home / 3,321,386.40-4,982,079.60-1,191,685.80

Finding the Fourth Proportional to 3,321,386.40, 4,982,079.60 and 1,191,685.80

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Solution

The fourth proportional to 3,321,386.40, 4,982,079.60 and 1,191,685.80 is: 1,787,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,386.40 : 4,982,079.60 = 1,191,685.80 : x
  2. Step 2: Convert to fraction form
    3,321,386.40/4,982,079.60 = 1,191,685.80/x
  3. Step 3: Cross multiply
    3,321,386.40x = 4,982,079.60 × 1,191,685.80
  4. Step 4: Simplify right side
    3,321,386.40x = 5,937,073,513,789.68
  5. Step 5: Solve for x
    x = 5,937,073,513,789.68/3,321,386.40
  6. Step 6: Final answer
    x = 1,787,528.70

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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.