Home / 4,659,478.20-6,990,215.22-2,638,677.24

Finding the Fourth Proportional to 4,659,478.20, 6,990,215.22 and 2,638,677.24

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Solution

The fourth proportional to 4,659,478.20, 6,990,215.22 and 2,638,677.24 is: 3,958,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659,478.20 : 6,990,215.22 = 2,638,677.24 : x
  2. Step 2: Convert to fraction form
    4,659,478.20/6,990,215.22 = 2,638,677.24/x
  3. Step 3: Cross multiply
    4,659,478.20x = 6,990,215.22 × 2,638,677.24
  4. Step 4: Simplify right side
    4,659,478.20x = 18,444,921,803,715.59
  5. Step 5: Solve for x
    x = 18,444,921,803,715.59/4,659,478.20
  6. Step 6: Final answer
    x = 3,958,580.99

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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.