Home / 2,020,687.52-2,788,548.82-1,377,231.80

Finding the Fourth Proportional to 2,020,687.52, 2,788,548.82 and 1,377,231.80

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Solution

The fourth proportional to 2,020,687.52, 2,788,548.82 and 1,377,231.80 is: 1,900,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,687.52 : 2,788,548.82 = 1,377,231.80 : x
  2. Step 2: Convert to fraction form
    2,020,687.52/2,788,548.82 = 1,377,231.80/x
  3. Step 3: Cross multiply
    2,020,687.52x = 2,788,548.82 × 1,377,231.80
  4. Step 4: Simplify right side
    2,020,687.52x = 3,840,478,110,756.48
  5. Step 5: Solve for x
    x = 3,840,478,110,756.48/2,020,687.52
  6. Step 6: Final answer
    x = 1,900,579.91

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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.