Home / 2,077,129.20-3,115,463.40-1,702,498.80

Finding the Fourth Proportional to 2,077,129.20, 3,115,463.40 and 1,702,498.80

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Solution

The fourth proportional to 2,077,129.20, 3,115,463.40 and 1,702,498.80 is: 2,553,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,129.20 : 3,115,463.40 = 1,702,498.80 : x
  2. Step 2: Convert to fraction form
    2,077,129.20/3,115,463.40 = 1,702,498.80/x
  3. Step 3: Cross multiply
    2,077,129.20x = 3,115,463.40 × 1,702,498.80
  4. Step 4: Simplify right side
    2,077,129.20x = 5,304,072,699,943.92
  5. Step 5: Solve for x
    x = 5,304,072,699,943.92/2,077,129.20
  6. Step 6: Final answer
    x = 2,553,559.35

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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.