Home / 2,188,398.79-3,020,494.22-1,283,272.39

Finding the Fourth Proportional to 2,188,398.79, 3,020,494.22 and 1,283,272.39

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Solution

The fourth proportional to 2,188,398.79, 3,020,494.22 and 1,283,272.39 is: 1,771,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,398.79 : 3,020,494.22 = 1,283,272.39 : x
  2. Step 2: Convert to fraction form
    2,188,398.79/3,020,494.22 = 1,283,272.39/x
  3. Step 3: Cross multiply
    2,188,398.79x = 3,020,494.22 × 1,283,272.39
  4. Step 4: Simplify right side
    2,188,398.79x = 3,876,116,830,264.22
  5. Step 5: Solve for x
    x = 3,876,116,830,264.22/2,188,398.79
  6. Step 6: Final answer
    x = 1,771,211.38

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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.