Home / 3,171,871.63-4,377,187.65-1,721,567.59

Finding the Fourth Proportional to 3,171,871.63, 4,377,187.65 and 1,721,567.59

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Solution

The fourth proportional to 3,171,871.63, 4,377,187.65 and 1,721,567.59 is: 2,375,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,871.63 : 4,377,187.65 = 1,721,567.59 : x
  2. Step 2: Convert to fraction form
    3,171,871.63/4,377,187.65 = 1,721,567.59/x
  3. Step 3: Cross multiply
    3,171,871.63x = 4,377,187.65 × 1,721,567.59
  4. Step 4: Simplify right side
    3,171,871.63x = 7,535,624,393,588.27
  5. Step 5: Solve for x
    x = 7,535,624,393,588.27/3,171,871.63
  6. Step 6: Final answer
    x = 2,375,765.88

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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.