Home / 2,084,911.79-3,127,601.03-664,638.35

Finding the Fourth Proportional to 2,084,911.79, 3,127,601.03 and 664,638.35

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Solution

The fourth proportional to 2,084,911.79, 3,127,601.03 and 664,638.35 is: 997,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,911.79 : 3,127,601.03 = 664,638.35 : x
  2. Step 2: Convert to fraction form
    2,084,911.79/3,127,601.03 = 664,638.35/x
  3. Step 3: Cross multiply
    2,084,911.79x = 3,127,601.03 × 664,638.35
  4. Step 4: Simplify right side
    2,084,911.79x = 2,078,723,569,076.30
  5. Step 5: Solve for x
    x = 2,078,723,569,076.30/2,084,911.79
  6. Step 6: Final answer
    x = 997,031.91

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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.