Home / 1,780,200.35-2,458,084.47-1,644,179.88

Finding the Fourth Proportional to 1,780,200.35, 2,458,084.47 and 1,644,179.88

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Solution

The fourth proportional to 1,780,200.35, 2,458,084.47 and 1,644,179.88 is: 2,270,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,200.35 : 2,458,084.47 = 1,644,179.88 : x
  2. Step 2: Convert to fraction form
    1,780,200.35/2,458,084.47 = 1,644,179.88/x
  3. Step 3: Cross multiply
    1,780,200.35x = 2,458,084.47 × 1,644,179.88
  4. Step 4: Simplify right side
    1,780,200.35x = 4,041,533,041,215.12
  5. Step 5: Solve for x
    x = 4,041,533,041,215.12/1,780,200.35
  6. Step 6: Final answer
    x = 2,270,268.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.