Home / 2,990,047.68-4,126,738.32-1,901,184.12

Finding the Fourth Proportional to 2,990,047.68, 4,126,738.32 and 1,901,184.12

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Solution

The fourth proportional to 2,990,047.68, 4,126,738.32 and 1,901,184.12 is: 2,623,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,047.68 : 4,126,738.32 = 1,901,184.12 : x
  2. Step 2: Convert to fraction form
    2,990,047.68/4,126,738.32 = 1,901,184.12/x
  3. Step 3: Cross multiply
    2,990,047.68x = 4,126,738.32 × 1,901,184.12
  4. Step 4: Simplify right side
    2,990,047.68x = 7,845,689,361,379.48
  5. Step 5: Solve for x
    x = 7,845,689,361,379.48/2,990,047.68
  6. Step 6: Final answer
    x = 2,623,934.53

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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.