Home / 1,616,548.73-2,230,852.86-891,422.15

Finding the Fourth Proportional to 1,616,548.73, 2,230,852.86 and 891,422.15

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Solution

The fourth proportional to 1,616,548.73, 2,230,852.86 and 891,422.15 is: 1,230,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,548.73 : 2,230,852.86 = 891,422.15 : x
  2. Step 2: Convert to fraction form
    1,616,548.73/2,230,852.86 = 891,422.15/x
  3. Step 3: Cross multiply
    1,616,548.73x = 2,230,852.86 × 891,422.15
  4. Step 4: Simplify right side
    1,616,548.73x = 1,988,631,641,640.58
  5. Step 5: Solve for x
    x = 1,988,631,641,640.58/1,616,548.73
  6. Step 6: Final answer
    x = 1,230,171.17

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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.