Home / 2,792,664-3,853,876.32-1,520,856

Finding the Fourth Proportional to 2,792,664, 3,853,876.32 and 1,520,856

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Solution

The fourth proportional to 2,792,664, 3,853,876.32 and 1,520,856 is: 2,098,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,664 : 3,853,876.32 = 1,520,856 : x
  2. Step 2: Convert to fraction form
    2,792,664/3,853,876.32 = 1,520,856/x
  3. Step 3: Cross multiply
    2,792,664x = 3,853,876.32 × 1,520,856
  4. Step 4: Simplify right side
    2,792,664x = 5,861,190,924,529.92
  5. Step 5: Solve for x
    x = 5,861,190,924,529.92/2,792,664
  6. Step 6: Final answer
    x = 2,098,781.28

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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.