Home / 3,889,378.80-5,826,632.40-2,091,664.80

Finding the Fourth Proportional to 3,889,378.80, 5,826,632.40 and 2,091,664.80

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Solution

The fourth proportional to 3,889,378.80, 5,826,632.40 and 2,091,664.80 is: 3,133,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,378.80 : 5,826,632.40 = 2,091,664.80 : x
  2. Step 2: Convert to fraction form
    3,889,378.80/5,826,632.40 = 2,091,664.80/x
  3. Step 3: Cross multiply
    3,889,378.80x = 5,826,632.40 × 2,091,664.80
  4. Step 4: Simplify right side
    3,889,378.80x = 12,187,361,893,619.52
  5. Step 5: Solve for x
    x = 12,187,361,893,619.52/3,889,378.80
  6. Step 6: Final answer
    x = 3,133,498.31

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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.