Home / 2,825,107.20-4,237,660.80-1,761,350.40

Finding the Fourth Proportional to 2,825,107.20, 4,237,660.80 and 1,761,350.40

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Solution

The fourth proportional to 2,825,107.20, 4,237,660.80 and 1,761,350.40 is: 2,642,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,107.20 : 4,237,660.80 = 1,761,350.40 : x
  2. Step 2: Convert to fraction form
    2,825,107.20/4,237,660.80 = 1,761,350.40/x
  3. Step 3: Cross multiply
    2,825,107.20x = 4,237,660.80 × 1,761,350.40
  4. Step 4: Simplify right side
    2,825,107.20x = 7,464,005,545,144.32
  5. Step 5: Solve for x
    x = 7,464,005,545,144.32/2,825,107.20
  6. Step 6: Final answer
    x = 2,642,025.60

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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.