Home / 3,321,586.40-4,984,712.40-2,126,415.20

Finding the Fourth Proportional to 3,321,586.40, 4,984,712.40 and 2,126,415.20

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Solution

The fourth proportional to 3,321,586.40, 4,984,712.40 and 2,126,415.20 is: 3,191,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,586.40 : 4,984,712.40 = 2,126,415.20 : x
  2. Step 2: Convert to fraction form
    3,321,586.40/4,984,712.40 = 2,126,415.20/x
  3. Step 3: Cross multiply
    3,321,586.40x = 4,984,712.40 × 2,126,415.20
  4. Step 4: Simplify right side
    3,321,586.40x = 10,599,568,214,988.48
  5. Step 5: Solve for x
    x = 10,599,568,214,988.48/3,321,586.40
  6. Step 6: Final answer
    x = 3,191,116.21

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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.