Home / 2,200,943.70-3,301,415.55-1,921,007.70

Finding the Fourth Proportional to 2,200,943.70, 3,301,415.55 and 1,921,007.70

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Solution

The fourth proportional to 2,200,943.70, 3,301,415.55 and 1,921,007.70 is: 2,881,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,943.70 : 3,301,415.55 = 1,921,007.70 : x
  2. Step 2: Convert to fraction form
    2,200,943.70/3,301,415.55 = 1,921,007.70/x
  3. Step 3: Cross multiply
    2,200,943.70x = 3,301,415.55 × 1,921,007.70
  4. Step 4: Simplify right side
    2,200,943.70x = 6,342,044,692,449.74
  5. Step 5: Solve for x
    x = 6,342,044,692,449.74/2,200,943.70
  6. Step 6: Final answer
    x = 2,881,511.55

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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.