Home / 1,538,193.62-2,122,729.45-849,881.32

Finding the Fourth Proportional to 1,538,193.62, 2,122,729.45 and 849,881.32

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Solution

The fourth proportional to 1,538,193.62, 2,122,729.45 and 849,881.32 is: 1,172,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,193.62 : 2,122,729.45 = 849,881.32 : x
  2. Step 2: Convert to fraction form
    1,538,193.62/2,122,729.45 = 849,881.32/x
  3. Step 3: Cross multiply
    1,538,193.62x = 2,122,729.45 × 849,881.32
  4. Step 4: Simplify right side
    1,538,193.62x = 1,804,068,099,537.35
  5. Step 5: Solve for x
    x = 1,804,068,099,537.35/1,538,193.62
  6. Step 6: Final answer
    x = 1,172,848.51

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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.