Home / 2,992,801.60-4,489,202.40-1,729,979.20

Finding the Fourth Proportional to 2,992,801.60, 4,489,202.40 and 1,729,979.20

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Solution

The fourth proportional to 2,992,801.60, 4,489,202.40 and 1,729,979.20 is: 2,594,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,801.60 : 4,489,202.40 = 1,729,979.20 : x
  2. Step 2: Convert to fraction form
    2,992,801.60/4,489,202.40 = 1,729,979.20/x
  3. Step 3: Cross multiply
    2,992,801.60x = 4,489,202.40 × 1,729,979.20
  4. Step 4: Simplify right side
    2,992,801.60x = 7,766,226,776,590.08
  5. Step 5: Solve for x
    x = 7,766,226,776,590.08/2,992,801.60
  6. Step 6: Final answer
    x = 2,594,968.80

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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.