Home / 2,942,917.50-4,407,968.34-1,423,395.39

Finding the Fourth Proportional to 2,942,917.50, 4,407,968.34 and 1,423,395.39

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Solution

The fourth proportional to 2,942,917.50, 4,407,968.34 and 1,423,395.39 is: 2,131,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,917.50 : 4,407,968.34 = 1,423,395.39 : x
  2. Step 2: Convert to fraction form
    2,942,917.50/4,407,968.34 = 1,423,395.39/x
  3. Step 3: Cross multiply
    2,942,917.50x = 4,407,968.34 × 1,423,395.39
  4. Step 4: Simplify right side
    2,942,917.50x = 6,274,281,814,421.95
  5. Step 5: Solve for x
    x = 6,274,281,814,421.95/2,942,917.50
  6. Step 6: Final answer
    x = 2,131,993.78

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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.