Home / 1,694,551.21-2,338,472.21-920,175.15

Finding the Fourth Proportional to 1,694,551.21, 2,338,472.21 and 920,175.15

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Solution

The fourth proportional to 1,694,551.21, 2,338,472.21 and 920,175.15 is: 1,269,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,551.21 : 2,338,472.21 = 920,175.15 : x
  2. Step 2: Convert to fraction form
    1,694,551.21/2,338,472.21 = 920,175.15/x
  3. Step 3: Cross multiply
    1,694,551.21x = 2,338,472.21 × 920,175.15
  4. Step 4: Simplify right side
    1,694,551.21x = 2,151,804,016,607.58
  5. Step 5: Solve for x
    x = 2,151,804,016,607.58/1,694,551.21
  6. Step 6: Final answer
    x = 1,269,837.11

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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.