Home / 2,694,697.20-4,042,045.80-2,428,976.70

Finding the Fourth Proportional to 2,694,697.20, 4,042,045.80 and 2,428,976.70

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Solution

The fourth proportional to 2,694,697.20, 4,042,045.80 and 2,428,976.70 is: 3,643,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694,697.20 : 4,042,045.80 = 2,428,976.70 : x
  2. Step 2: Convert to fraction form
    2,694,697.20/4,042,045.80 = 2,428,976.70/x
  3. Step 3: Cross multiply
    2,694,697.20x = 4,042,045.80 × 2,428,976.70
  4. Step 4: Simplify right side
    2,694,697.20x = 9,818,035,068,532.86
  5. Step 5: Solve for x
    x = 9,818,035,068,532.86/2,694,697.20
  6. Step 6: Final answer
    x = 3,643,465.05

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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.