Home / 2,148,686.89-2,965,244.02-1,181,842.56

Finding the Fourth Proportional to 2,148,686.89, 2,965,244.02 and 1,181,842.56

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Solution

The fourth proportional to 2,148,686.89, 2,965,244.02 and 1,181,842.56 is: 1,630,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,686.89 : 2,965,244.02 = 1,181,842.56 : x
  2. Step 2: Convert to fraction form
    2,148,686.89/2,965,244.02 = 1,181,842.56/x
  3. Step 3: Cross multiply
    2,148,686.89x = 2,965,244.02 × 1,181,842.56
  4. Step 4: Simplify right side
    2,148,686.89x = 3,504,451,583,621.49
  5. Step 5: Solve for x
    x = 3,504,451,583,621.49/2,148,686.89
  6. Step 6: Final answer
    x = 1,630,973.60

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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.