Home / 2,910,296.79-4,016,333.77-1,621,138.05

Finding the Fourth Proportional to 2,910,296.79, 4,016,333.77 and 1,621,138.05

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Solution

The fourth proportional to 2,910,296.79, 4,016,333.77 and 1,621,138.05 is: 2,237,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,296.79 : 4,016,333.77 = 1,621,138.05 : x
  2. Step 2: Convert to fraction form
    2,910,296.79/4,016,333.77 = 1,621,138.05/x
  3. Step 3: Cross multiply
    2,910,296.79x = 4,016,333.77 × 1,621,138.05
  4. Step 4: Simplify right side
    2,910,296.79x = 6,511,031,491,994.10
  5. Step 5: Solve for x
    x = 6,511,031,491,994.10/2,910,296.79
  6. Step 6: Final answer
    x = 2,237,239.69

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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.