Home / 3,121,930.80-4,680,563.40-1,703,588.40

Finding the Fourth Proportional to 3,121,930.80, 4,680,563.40 and 1,703,588.40

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Solution

The fourth proportional to 3,121,930.80, 4,680,563.40 and 1,703,588.40 is: 2,554,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,930.80 : 4,680,563.40 = 1,703,588.40 : x
  2. Step 2: Convert to fraction form
    3,121,930.80/4,680,563.40 = 1,703,588.40/x
  3. Step 3: Cross multiply
    3,121,930.80x = 4,680,563.40 × 1,703,588.40
  4. Step 4: Simplify right side
    3,121,930.80x = 7,973,753,513,704.56
  5. Step 5: Solve for x
    x = 7,973,753,513,704.56/3,121,930.80
  6. Step 6: Final answer
    x = 2,554,109.63

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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.