Home / 2,148,342.30-2,964,653.16-1,181,472.48

Finding the Fourth Proportional to 2,148,342.30, 2,964,653.16 and 1,181,472.48

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Solution

The fourth proportional to 2,148,342.30, 2,964,653.16 and 1,181,472.48 is: 1,630,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,342.30 : 2,964,653.16 = 1,181,472.48 : x
  2. Step 2: Convert to fraction form
    2,148,342.30/2,964,653.16 = 1,181,472.48/x
  3. Step 3: Cross multiply
    2,148,342.30x = 2,964,653.16 × 1,181,472.48
  4. Step 4: Simplify right side
    2,148,342.30x = 3,502,656,121,285.04
  5. Step 5: Solve for x
    x = 3,502,656,121,285.04/2,148,342.30
  6. Step 6: Final answer
    x = 1,630,399.46

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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.