Home / 2,916,000.80-4,374,001.20-2,113,517.60

Finding the Fourth Proportional to 2,916,000.80, 4,374,001.20 and 2,113,517.60

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Solution

The fourth proportional to 2,916,000.80, 4,374,001.20 and 2,113,517.60 is: 3,170,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,000.80 : 4,374,001.20 = 2,113,517.60 : x
  2. Step 2: Convert to fraction form
    2,916,000.80/4,374,001.20 = 2,113,517.60/x
  3. Step 3: Cross multiply
    2,916,000.80x = 4,374,001.20 × 2,113,517.60
  4. Step 4: Simplify right side
    2,916,000.80x = 9,244,528,518,621.12
  5. Step 5: Solve for x
    x = 9,244,528,518,621.12/2,916,000.80
  6. Step 6: Final answer
    x = 3,170,276.40

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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.