Home / 3,031,008.72-4,182,783.44-1,672,872

Finding the Fourth Proportional to 3,031,008.72, 4,182,783.44 and 1,672,872

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Solution

The fourth proportional to 3,031,008.72, 4,182,783.44 and 1,672,872 is: 2,308,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031,008.72 : 4,182,783.44 = 1,672,872 : x
  2. Step 2: Convert to fraction form
    3,031,008.72/4,182,783.44 = 1,672,872/x
  3. Step 3: Cross multiply
    3,031,008.72x = 4,182,783.44 × 1,672,872
  4. Step 4: Simplify right side
    3,031,008.72x = 6,997,261,298,839.68
  5. Step 5: Solve for x
    x = 6,997,261,298,839.68/3,031,008.72
  6. Step 6: Final answer
    x = 2,308,558.62

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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.