Home / 2,280,657.15-3,420,985.61-1,049,540.78

Finding the Fourth Proportional to 2,280,657.15, 3,420,985.61 and 1,049,540.78

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Solution

The fourth proportional to 2,280,657.15, 3,420,985.61 and 1,049,540.78 is: 1,574,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,657.15 : 3,420,985.61 = 1,049,540.78 : x
  2. Step 2: Convert to fraction form
    2,280,657.15/3,420,985.61 = 1,049,540.78/x
  3. Step 3: Cross multiply
    2,280,657.15x = 3,420,985.61 × 1,049,540.78
  4. Step 4: Simplify right side
    2,280,657.15x = 3,590,463,883,135.54
  5. Step 5: Solve for x
    x = 3,590,463,883,135.54/2,280,657.15
  6. Step 6: Final answer
    x = 1,574,311.11

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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.