Home / 3,179,555.07-4,387,817.74-1,729,282.47

Finding the Fourth Proportional to 3,179,555.07, 4,387,817.74 and 1,729,282.47

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Solution

The fourth proportional to 3,179,555.07, 4,387,817.74 and 1,729,282.47 is: 2,386,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,555.07 : 4,387,817.74 = 1,729,282.47 : x
  2. Step 2: Convert to fraction form
    3,179,555.07/4,387,817.74 = 1,729,282.47/x
  3. Step 3: Cross multiply
    3,179,555.07x = 4,387,817.74 × 1,729,282.47
  4. Step 4: Simplify right side
    3,179,555.07x = 7,587,776,281,801.90
  5. Step 5: Solve for x
    x = 7,587,776,281,801.90/3,179,555.07
  6. Step 6: Final answer
    x = 2,386,427.07

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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.