Home / 3,189,708.06-4,401,630.09-1,812,867.90

Finding the Fourth Proportional to 3,189,708.06, 4,401,630.09 and 1,812,867.90

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Solution

The fourth proportional to 3,189,708.06, 4,401,630.09 and 1,812,867.90 is: 2,501,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,708.06 : 4,401,630.09 = 1,812,867.90 : x
  2. Step 2: Convert to fraction form
    3,189,708.06/4,401,630.09 = 1,812,867.90/x
  3. Step 3: Cross multiply
    3,189,708.06x = 4,401,630.09 × 1,812,867.90
  4. Step 4: Simplify right side
    3,189,708.06x = 7,979,573,897,835.11
  5. Step 5: Solve for x
    x = 7,979,573,897,835.11/3,189,708.06
  6. Step 6: Final answer
    x = 2,501,662.77

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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.