Home / 2,229,316.80-3,342,592.80-1,282,219.20

Finding the Fourth Proportional to 2,229,316.80, 3,342,592.80 and 1,282,219.20

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Solution

The fourth proportional to 2,229,316.80, 3,342,592.80 and 1,282,219.20 is: 1,922,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,316.80 : 3,342,592.80 = 1,282,219.20 : x
  2. Step 2: Convert to fraction form
    2,229,316.80/3,342,592.80 = 1,282,219.20/x
  3. Step 3: Cross multiply
    2,229,316.80x = 3,342,592.80 × 1,282,219.20
  4. Step 4: Simplify right side
    2,229,316.80x = 4,285,936,665,941.76
  5. Step 5: Solve for x
    x = 4,285,936,665,941.76/2,229,316.80
  6. Step 6: Final answer
    x = 1,922,533.70

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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.