Home / 2,180,672.07-3,009,426.38-1,213,864.17

Finding the Fourth Proportional to 2,180,672.07, 3,009,426.38 and 1,213,864.17

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Solution

The fourth proportional to 2,180,672.07, 3,009,426.38 and 1,213,864.17 is: 1,675,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,672.07 : 3,009,426.38 = 1,213,864.17 : x
  2. Step 2: Convert to fraction form
    2,180,672.07/3,009,426.38 = 1,213,864.17/x
  3. Step 3: Cross multiply
    2,180,672.07x = 3,009,426.38 × 1,213,864.17
  4. Step 4: Simplify right side
    2,180,672.07x = 3,653,034,854,934.80
  5. Step 5: Solve for x
    x = 3,653,034,854,934.80/2,180,672.07
  6. Step 6: Final answer
    x = 1,675,187.62

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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.