Home / 2,245,749.75-3,099,142.64-1,227,154.47

Finding the Fourth Proportional to 2,245,749.75, 3,099,142.64 and 1,227,154.47

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Solution

The fourth proportional to 2,245,749.75, 3,099,142.64 and 1,227,154.47 is: 1,693,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,749.75 : 3,099,142.64 = 1,227,154.47 : x
  2. Step 2: Convert to fraction form
    2,245,749.75/3,099,142.64 = 1,227,154.47/x
  3. Step 3: Cross multiply
    2,245,749.75x = 3,099,142.64 × 1,227,154.47
  4. Step 4: Simplify right side
    2,245,749.75x = 3,803,126,737,707.83
  5. Step 5: Solve for x
    x = 3,803,126,737,707.83/2,245,749.75
  6. Step 6: Final answer
    x = 1,693,477.53

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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.