Home / 2,310,669.20-3,188,810.50-1,292,071.52

Finding the Fourth Proportional to 2,310,669.20, 3,188,810.50 and 1,292,071.52

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Solution

The fourth proportional to 2,310,669.20, 3,188,810.50 and 1,292,071.52 is: 1,783,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,669.20 : 3,188,810.50 = 1,292,071.52 : x
  2. Step 2: Convert to fraction form
    2,310,669.20/3,188,810.50 = 1,292,071.52/x
  3. Step 3: Cross multiply
    2,310,669.20x = 3,188,810.50 × 1,292,071.52
  4. Step 4: Simplify right side
    2,310,669.20x = 4,120,171,229,726.96
  5. Step 5: Solve for x
    x = 4,120,171,229,726.96/2,310,669.20
  6. Step 6: Final answer
    x = 1,783,107.35

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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.