Home / 2,180,198.10-3,008,649.96-1,213,312.08

Finding the Fourth Proportional to 2,180,198.10, 3,008,649.96 and 1,213,312.08

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Solution

The fourth proportional to 2,180,198.10, 3,008,649.96 and 1,213,312.08 is: 1,674,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,198.10 : 3,008,649.96 = 1,213,312.08 : x
  2. Step 2: Convert to fraction form
    2,180,198.10/3,008,649.96 = 1,213,312.08/x
  3. Step 3: Cross multiply
    2,180,198.10x = 3,008,649.96 × 1,213,312.08
  4. Step 4: Simplify right side
    2,180,198.10x = 3,650,431,340,959.52
  5. Step 5: Solve for x
    x = 3,650,431,340,959.52/2,180,198.10
  6. Step 6: Final answer
    x = 1,674,357.64

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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.