Home / 2,188,391.04-3,020,483.52-1,283,264.64

Finding the Fourth Proportional to 2,188,391.04, 3,020,483.52 and 1,283,264.64

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Solution

The fourth proportional to 2,188,391.04, 3,020,483.52 and 1,283,264.64 is: 1,771,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,391.04 : 3,020,483.52 = 1,283,264.64 : x
  2. Step 2: Convert to fraction form
    2,188,391.04/3,020,483.52 = 1,283,264.64/x
  3. Step 3: Cross multiply
    2,188,391.04x = 3,020,483.52 × 1,283,264.64
  4. Step 4: Simplify right side
    2,188,391.04x = 3,876,079,696,918.73
  5. Step 5: Solve for x
    x = 3,876,079,696,918.73/2,188,391.04
  6. Step 6: Final answer
    x = 1,771,200.68

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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.