Home / 2,188,456.48-3,020,573.76-1,283,330.08

Finding the Fourth Proportional to 2,188,456.48, 3,020,573.76 and 1,283,330.08

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Solution

The fourth proportional to 2,188,456.48, 3,020,573.76 and 1,283,330.08 is: 1,771,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,456.48 : 3,020,573.76 = 1,283,330.08 : x
  2. Step 2: Convert to fraction form
    2,188,456.48/3,020,573.76 = 1,283,330.08/x
  3. Step 3: Cross multiply
    2,188,456.48x = 3,020,573.76 × 1,283,330.08
  4. Step 4: Simplify right side
    2,188,456.48x = 3,876,393,165,066.70
  5. Step 5: Solve for x
    x = 3,876,393,165,066.70/2,188,456.48
  6. Step 6: Final answer
    x = 1,771,290.95

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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.