Home / 2,505,720.86-3,457,920.15-1,359,811.10

Finding the Fourth Proportional to 2,505,720.86, 3,457,920.15 and 1,359,811.10

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Solution

The fourth proportional to 2,505,720.86, 3,457,920.15 and 1,359,811.10 is: 1,876,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505,720.86 : 3,457,920.15 = 1,359,811.10 : x
  2. Step 2: Convert to fraction form
    2,505,720.86/3,457,920.15 = 1,359,811.10/x
  3. Step 3: Cross multiply
    2,505,720.86x = 3,457,920.15 × 1,359,811.10
  4. Step 4: Simplify right side
    2,505,720.86x = 4,702,118,202,883.67
  5. Step 5: Solve for x
    x = 4,702,118,202,883.67/2,505,720.86
  6. Step 6: Final answer
    x = 1,876,553.08

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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.