Home / 3,281,487.60-4,922,231.40-2,147,746.80

Finding the Fourth Proportional to 3,281,487.60, 4,922,231.40 and 2,147,746.80

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Solution

The fourth proportional to 3,281,487.60, 4,922,231.40 and 2,147,746.80 is: 3,221,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,487.60 : 4,922,231.40 = 2,147,746.80 : x
  2. Step 2: Convert to fraction form
    3,281,487.60/4,922,231.40 = 2,147,746.80/x
  3. Step 3: Cross multiply
    3,281,487.60x = 4,922,231.40 × 2,147,746.80
  4. Step 4: Simplify right side
    3,281,487.60x = 10,571,706,738,209.52
  5. Step 5: Solve for x
    x = 10,571,706,738,209.52/3,281,487.60
  6. Step 6: Final answer
    x = 3,221,620.20

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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.