Home / 2,742,674.68-3,781,374.06-2,129,787.64

Finding the Fourth Proportional to 2,742,674.68, 3,781,374.06 and 2,129,787.64

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Solution

The fourth proportional to 2,742,674.68, 3,781,374.06 and 2,129,787.64 is: 2,936,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,674.68 : 3,781,374.06 = 2,129,787.64 : x
  2. Step 2: Convert to fraction form
    2,742,674.68/3,781,374.06 = 2,129,787.64/x
  3. Step 3: Cross multiply
    2,742,674.68x = 3,781,374.06 × 2,129,787.64
  4. Step 4: Simplify right side
    2,742,674.68x = 8,053,523,735,204.62
  5. Step 5: Solve for x
    x = 8,053,523,735,204.62/2,742,674.68
  6. Step 6: Final answer
    x = 2,936,375.86

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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.