Home / 2,986,806.40-4,480,209.60-992,262.40

Finding the Fourth Proportional to 2,986,806.40, 4,480,209.60 and 992,262.40

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Solution

The fourth proportional to 2,986,806.40, 4,480,209.60 and 992,262.40 is: 1,488,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,806.40 : 4,480,209.60 = 992,262.40 : x
  2. Step 2: Convert to fraction form
    2,986,806.40/4,480,209.60 = 992,262.40/x
  3. Step 3: Cross multiply
    2,986,806.40x = 4,480,209.60 × 992,262.40
  4. Step 4: Simplify right side
    2,986,806.40x = 4,445,543,530,199.04
  5. Step 5: Solve for x
    x = 4,445,543,530,199.04/2,986,806.40
  6. Step 6: Final answer
    x = 1,488,393.60

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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.