Home / 2,106,609.20-3,160,241.52-686,334.80

Finding the Fourth Proportional to 2,106,609.20, 3,160,241.52 and 686,334.80

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Solution

The fourth proportional to 2,106,609.20, 3,160,241.52 and 686,334.80 is: 1,029,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,609.20 : 3,160,241.52 = 686,334.80 : x
  2. Step 2: Convert to fraction form
    2,106,609.20/3,160,241.52 = 686,334.80/x
  3. Step 3: Cross multiply
    2,106,609.20x = 3,160,241.52 × 686,334.80
  4. Step 4: Simplify right side
    2,106,609.20x = 2,168,983,731,580.90
  5. Step 5: Solve for x
    x = 2,168,983,731,580.90/2,106,609.20
  6. Step 6: Final answer
    x = 1,029,608.97

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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.