Home / 2,157,351.39-3,235,185.90-808,778.95

Finding the Fourth Proportional to 2,157,351.39, 3,235,185.90 and 808,778.95

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Solution

The fourth proportional to 2,157,351.39, 3,235,185.90 and 808,778.95 is: 1,212,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,351.39 : 3,235,185.90 = 808,778.95 : x
  2. Step 2: Convert to fraction form
    2,157,351.39/3,235,185.90 = 808,778.95/x
  3. Step 3: Cross multiply
    2,157,351.39x = 3,235,185.90 × 808,778.95
  4. Step 4: Simplify right side
    2,157,351.39x = 2,616,550,247,168.84
  5. Step 5: Solve for x
    x = 2,616,550,247,168.84/2,157,351.39
  6. Step 6: Final answer
    x = 1,212,853.07

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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.