Home / 2,987,608.40-4,481,412.60-992,805.20

Finding the Fourth Proportional to 2,987,608.40, 4,481,412.60 and 992,805.20

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Solution

The fourth proportional to 2,987,608.40, 4,481,412.60 and 992,805.20 is: 1,489,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,608.40 : 4,481,412.60 = 992,805.20 : x
  2. Step 2: Convert to fraction form
    2,987,608.40/4,481,412.60 = 992,805.20/x
  3. Step 3: Cross multiply
    2,987,608.40x = 4,481,412.60 × 992,805.20
  4. Step 4: Simplify right side
    2,987,608.40x = 4,449,169,732,625.52
  5. Step 5: Solve for x
    x = 4,449,169,732,625.52/2,987,608.40
  6. Step 6: Final answer
    x = 1,489,207.80

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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.