Home / 2,742,675.93-3,781,375.79-2,129,788.89

Finding the Fourth Proportional to 2,742,675.93, 3,781,375.79 and 2,129,788.89

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Solution

The fourth proportional to 2,742,675.93, 3,781,375.79 and 2,129,788.89 is: 2,936,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,675.93 : 3,781,375.79 = 2,129,788.89 : x
  2. Step 2: Convert to fraction form
    2,742,675.93/3,781,375.79 = 2,129,788.89/x
  3. Step 3: Cross multiply
    2,742,675.93x = 3,781,375.79 × 2,129,788.89
  4. Step 4: Simplify right side
    2,742,675.93x = 8,053,532,135,808.03
  5. Step 5: Solve for x
    x = 8,053,532,135,808.03/2,742,675.93
  6. Step 6: Final answer
    x = 2,936,377.59

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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.