Home / 3,942,189.96-5,440,407.30-2,223,274.92

Finding the Fourth Proportional to 3,942,189.96, 5,440,407.30 and 2,223,274.92

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Solution

The fourth proportional to 3,942,189.96, 5,440,407.30 and 2,223,274.92 is: 3,068,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,189.96 : 5,440,407.30 = 2,223,274.92 : x
  2. Step 2: Convert to fraction form
    3,942,189.96/5,440,407.30 = 2,223,274.92/x
  3. Step 3: Cross multiply
    3,942,189.96x = 5,440,407.30 × 2,223,274.92
  4. Step 4: Simplify right side
    3,942,189.96x = 12,095,521,104,674.92
  5. Step 5: Solve for x
    x = 12,095,521,104,674.92/3,942,189.96
  6. Step 6: Final answer
    x = 3,068,223.81

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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.