Home / 2,148,767.42-2,965,236.53-1,181,897.45

Finding the Fourth Proportional to 2,148,767.42, 2,965,236.53 and 1,181,897.45

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Solution

The fourth proportional to 2,148,767.42, 2,965,236.53 and 1,181,897.45 is: 1,630,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,767.42 : 2,965,236.53 = 1,181,897.45 : x
  2. Step 2: Convert to fraction form
    2,148,767.42/2,965,236.53 = 1,181,897.45/x
  3. Step 3: Cross multiply
    2,148,767.42x = 2,965,236.53 × 1,181,897.45
  4. Step 4: Simplify right side
    2,148,767.42x = 3,504,605,502,149.80
  5. Step 5: Solve for x
    x = 3,504,605,502,149.80/2,148,767.42
  6. Step 6: Final answer
    x = 1,630,984.10

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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.