Home / 2,916,141.40-4,374,212.10-1,321,818.40

Finding the Fourth Proportional to 2,916,141.40, 4,374,212.10 and 1,321,818.40

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Solution

The fourth proportional to 2,916,141.40, 4,374,212.10 and 1,321,818.40 is: 1,982,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,141.40 : 4,374,212.10 = 1,321,818.40 : x
  2. Step 2: Convert to fraction form
    2,916,141.40/4,374,212.10 = 1,321,818.40/x
  3. Step 3: Cross multiply
    2,916,141.40x = 4,374,212.10 × 1,321,818.40
  4. Step 4: Simplify right side
    2,916,141.40x = 5,781,914,039,282.64
  5. Step 5: Solve for x
    x = 5,781,914,039,282.64/2,916,141.40
  6. Step 6: Final answer
    x = 1,982,727.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.