Home / 2,178,599.21-3,260,911.34-1,165,187.15

Finding the Fourth Proportional to 2,178,599.21, 3,260,911.34 and 1,165,187.15

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Solution

The fourth proportional to 2,178,599.21, 3,260,911.34 and 1,165,187.15 is: 1,744,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,599.21 : 3,260,911.34 = 1,165,187.15 : x
  2. Step 2: Convert to fraction form
    2,178,599.21/3,260,911.34 = 1,165,187.15/x
  3. Step 3: Cross multiply
    2,178,599.21x = 3,260,911.34 × 1,165,187.15
  4. Step 4: Simplify right side
    2,178,599.21x = 3,799,571,990,657.28
  5. Step 5: Solve for x
    x = 3,799,571,990,657.28/2,178,599.21
  6. Step 6: Final answer
    x = 1,744,043.59

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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.