Home / 2,180,829.12-3,009,511.92-1,213,958.04

Finding the Fourth Proportional to 2,180,829.12, 3,009,511.92 and 1,213,958.04

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Solution

The fourth proportional to 2,180,829.12, 3,009,511.92 and 1,213,958.04 is: 1,675,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,829.12 : 3,009,511.92 = 1,213,958.04 : x
  2. Step 2: Convert to fraction form
    2,180,829.12/3,009,511.92 = 1,213,958.04/x
  3. Step 3: Cross multiply
    2,180,829.12x = 3,009,511.92 × 1,213,958.04
  4. Step 4: Simplify right side
    2,180,829.12x = 3,653,421,191,759.84
  5. Step 5: Solve for x
    x = 3,653,421,191,759.84/2,180,829.12
  6. Step 6: Final answer
    x = 1,675,244.13

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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.