Home / 2,161,334.04-2,982,645.74-1,181,288.78

Finding the Fourth Proportional to 2,161,334.04, 2,982,645.74 and 1,181,288.78

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Solution

The fourth proportional to 2,161,334.04, 2,982,645.74 and 1,181,288.78 is: 1,630,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,334.04 : 2,982,645.74 = 1,181,288.78 : x
  2. Step 2: Convert to fraction form
    2,161,334.04/2,982,645.74 = 1,181,288.78/x
  3. Step 3: Cross multiply
    2,161,334.04x = 2,982,645.74 × 1,181,288.78
  4. Step 4: Simplify right side
    2,161,334.04x = 3,523,365,947,376.80
  5. Step 5: Solve for x
    x = 3,523,365,947,376.80/2,161,334.04
  6. Step 6: Final answer
    x = 1,630,181.12

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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.