Home / 6,321,111.50-8,723,157-3,420,502.40

Finding the Fourth Proportional to 6,321,111.50, 8,723,157 and 3,420,502.40

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Solution

The fourth proportional to 6,321,111.50, 8,723,157 and 3,420,502.40 is: 4,720,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,111.50 : 8,723,157 = 3,420,502.40 : x
  2. Step 2: Convert to fraction form
    6,321,111.50/8,723,157 = 3,420,502.40/x
  3. Step 3: Cross multiply
    6,321,111.50x = 8,723,157 × 3,420,502.40
  4. Step 4: Simplify right side
    6,321,111.50x = 29,837,579,454,076.80
  5. Step 5: Solve for x
    x = 29,837,579,454,076.80/6,321,111.50
  6. Step 6: Final answer
    x = 4,720,305.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.