Home / 3,886,208.80-5,827,239.60-1,639,808.80

Finding the Fourth Proportional to 3,886,208.80, 5,827,239.60 and 1,639,808.80

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Solution

The fourth proportional to 3,886,208.80, 5,827,239.60 and 1,639,808.80 is: 2,458,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,208.80 : 5,827,239.60 = 1,639,808.80 : x
  2. Step 2: Convert to fraction form
    3,886,208.80/5,827,239.60 = 1,639,808.80/x
  3. Step 3: Cross multiply
    3,886,208.80x = 5,827,239.60 × 1,639,808.80
  4. Step 4: Simplify right side
    3,886,208.80x = 9,555,558,775,788.48
  5. Step 5: Solve for x
    x = 9,555,558,775,788.48/3,886,208.80
  6. Step 6: Final answer
    x = 2,458,838.23

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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.