Home / 2,148,375.30-2,964,698.79-1,181,505.66

Finding the Fourth Proportional to 2,148,375.30, 2,964,698.79 and 1,181,505.66

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Solution

The fourth proportional to 2,148,375.30, 2,964,698.79 and 1,181,505.66 is: 1,630,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,375.30 : 2,964,698.79 = 1,181,505.66 : x
  2. Step 2: Convert to fraction form
    2,148,375.30/2,964,698.79 = 1,181,505.66/x
  3. Step 3: Cross multiply
    2,148,375.30x = 2,964,698.79 × 1,181,505.66
  4. Step 4: Simplify right side
    2,148,375.30x = 3,502,808,400,580.15
  5. Step 5: Solve for x
    x = 3,502,808,400,580.15/2,148,375.30
  6. Step 6: Final answer
    x = 1,630,445.30

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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.