Home / 3,187,237.67-4,397,139.45-1,961,415.05

Finding the Fourth Proportional to 3,187,237.67, 4,397,139.45 and 1,961,415.05

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Solution

The fourth proportional to 3,187,237.67, 4,397,139.45 and 1,961,415.05 is: 2,705,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,237.67 : 4,397,139.45 = 1,961,415.05 : x
  2. Step 2: Convert to fraction form
    3,187,237.67/4,397,139.45 = 1,961,415.05/x
  3. Step 3: Cross multiply
    3,187,237.67x = 4,397,139.45 × 1,961,415.05
  4. Step 4: Simplify right side
    3,187,237.67x = 8,624,615,472,193.03
  5. Step 5: Solve for x
    x = 8,624,615,472,193.03/3,187,237.67
  6. Step 6: Final answer
    x = 2,705,984.42

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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.