Home / 2,020,634.48-2,788,469.88-1,115,210

Finding the Fourth Proportional to 2,020,634.48, 2,788,469.88 and 1,115,210

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Solution

The fourth proportional to 2,020,634.48, 2,788,469.88 and 1,115,210 is: 1,538,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,634.48 : 2,788,469.88 = 1,115,210 : x
  2. Step 2: Convert to fraction form
    2,020,634.48/2,788,469.88 = 1,115,210/x
  3. Step 3: Cross multiply
    2,020,634.48x = 2,788,469.88 × 1,115,210
  4. Step 4: Simplify right side
    2,020,634.48x = 3,109,729,494,874.80
  5. Step 5: Solve for x
    x = 3,109,729,494,874.80/2,020,634.48
  6. Step 6: Final answer
    x = 1,538,986.65

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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.