Home / 4,992,021.60-7,488,032.40-1,626,568.80

Finding the Fourth Proportional to 4,992,021.60, 7,488,032.40 and 1,626,568.80

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Solution

The fourth proportional to 4,992,021.60, 7,488,032.40 and 1,626,568.80 is: 2,439,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,021.60 : 7,488,032.40 = 1,626,568.80 : x
  2. Step 2: Convert to fraction form
    4,992,021.60/7,488,032.40 = 1,626,568.80/x
  3. Step 3: Cross multiply
    4,992,021.60x = 7,488,032.40 × 1,626,568.80
  4. Step 4: Simplify right side
    4,992,021.60x = 12,179,799,875,229.12
  5. Step 5: Solve for x
    x = 12,179,799,875,229.12/4,992,021.60
  6. Step 6: Final answer
    x = 2,439,853.20

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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.