Home / 2,987,731.88-4,123,069.85-1,698,572.26

Finding the Fourth Proportional to 2,987,731.88, 4,123,069.85 and 1,698,572.26

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Solution

The fourth proportional to 2,987,731.88, 4,123,069.85 and 1,698,572.26 is: 2,344,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,731.88 : 4,123,069.85 = 1,698,572.26 : x
  2. Step 2: Convert to fraction form
    2,987,731.88/4,123,069.85 = 1,698,572.26/x
  3. Step 3: Cross multiply
    2,987,731.88x = 4,123,069.85 × 1,698,572.26
  4. Step 4: Simplify right side
    2,987,731.88x = 7,003,332,044,144.15
  5. Step 5: Solve for x
    x = 7,003,332,044,144.15/2,987,731.88
  6. Step 6: Final answer
    x = 2,344,029.63

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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.