Home / 3,218,156.16-4,440,912-1,929,707.52

Finding the Fourth Proportional to 3,218,156.16, 4,440,912 and 1,929,707.52

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Solution

The fourth proportional to 3,218,156.16, 4,440,912 and 1,929,707.52 is: 2,662,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,156.16 : 4,440,912 = 1,929,707.52 : x
  2. Step 2: Convert to fraction form
    3,218,156.16/4,440,912 = 1,929,707.52/x
  3. Step 3: Cross multiply
    3,218,156.16x = 4,440,912 × 1,929,707.52
  4. Step 4: Simplify right side
    3,218,156.16x = 8,569,661,282,058.24
  5. Step 5: Solve for x
    x = 8,569,661,282,058.24/3,218,156.16
  6. Step 6: Final answer
    x = 2,662,910.33

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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.