Home / 2,860,419.60-4,290,629.40-1,512,061.20

Finding the Fourth Proportional to 2,860,419.60, 4,290,629.40 and 1,512,061.20

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Solution

The fourth proportional to 2,860,419.60, 4,290,629.40 and 1,512,061.20 is: 2,268,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,419.60 : 4,290,629.40 = 1,512,061.20 : x
  2. Step 2: Convert to fraction form
    2,860,419.60/4,290,629.40 = 1,512,061.20/x
  3. Step 3: Cross multiply
    2,860,419.60x = 4,290,629.40 × 1,512,061.20
  4. Step 4: Simplify right side
    2,860,419.60x = 6,487,694,239,319.28
  5. Step 5: Solve for x
    x = 6,487,694,239,319.28/2,860,419.60
  6. Step 6: Final answer
    x = 2,268,091.80

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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.