Home / 2,199,638.10-3,299,457.15-2,040,205.80

Finding the Fourth Proportional to 2,199,638.10, 3,299,457.15 and 2,040,205.80

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Solution

The fourth proportional to 2,199,638.10, 3,299,457.15 and 2,040,205.80 is: 3,060,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,638.10 : 3,299,457.15 = 2,040,205.80 : x
  2. Step 2: Convert to fraction form
    2,199,638.10/3,299,457.15 = 2,040,205.80/x
  3. Step 3: Cross multiply
    2,199,638.10x = 3,299,457.15 × 2,040,205.80
  4. Step 4: Simplify right side
    2,199,638.10x = 6,731,571,614,281.47
  5. Step 5: Solve for x
    x = 6,731,571,614,281.47/2,199,638.10
  6. Step 6: Final answer
    x = 3,060,308.70

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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.