Home / 2,183,566.40-3,275,810.40-687,809.60

Finding the Fourth Proportional to 2,183,566.40, 3,275,810.40 and 687,809.60

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Solution

The fourth proportional to 2,183,566.40, 3,275,810.40 and 687,809.60 is: 1,031,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,566.40 : 3,275,810.40 = 687,809.60 : x
  2. Step 2: Convert to fraction form
    2,183,566.40/3,275,810.40 = 687,809.60/x
  3. Step 3: Cross multiply
    2,183,566.40x = 3,275,810.40 × 687,809.60
  4. Step 4: Simplify right side
    2,183,566.40x = 2,253,133,840,899.84
  5. Step 5: Solve for x
    x = 2,253,133,840,899.84/2,183,566.40
  6. Step 6: Final answer
    x = 1,031,859.55

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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.