Home / 3,121,421.40-4,682,507.40-1,099,247.49

Finding the Fourth Proportional to 3,121,421.40, 4,682,507.40 and 1,099,247.49

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Solution

The fourth proportional to 3,121,421.40, 4,682,507.40 and 1,099,247.49 is: 1,649,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,421.40 : 4,682,507.40 = 1,099,247.49 : x
  2. Step 2: Convert to fraction form
    3,121,421.40/4,682,507.40 = 1,099,247.49/x
  3. Step 3: Cross multiply
    3,121,421.40x = 4,682,507.40 × 1,099,247.49
  4. Step 4: Simplify right side
    3,121,421.40x = 5,147,234,506,356.43
  5. Step 5: Solve for x
    x = 5,147,234,506,356.43/3,121,421.40
  6. Step 6: Final answer
    x = 1,649,003.40

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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.