Home / 1,992,081.60-2,988,122.40-496,173.60

Finding the Fourth Proportional to 1,992,081.60, 2,988,122.40 and 496,173.60

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Solution

The fourth proportional to 1,992,081.60, 2,988,122.40 and 496,173.60 is: 744,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,081.60 : 2,988,122.40 = 496,173.60 : x
  2. Step 2: Convert to fraction form
    1,992,081.60/2,988,122.40 = 496,173.60/x
  3. Step 3: Cross multiply
    1,992,081.60x = 2,988,122.40 × 496,173.60
  4. Step 4: Simplify right side
    1,992,081.60x = 1,482,627,448,448.64
  5. Step 5: Solve for x
    x = 1,482,627,448,448.64/1,992,081.60
  6. Step 6: Final answer
    x = 744,260.40

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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.