Home / 2,991,778.92-4,128,809.46-1,829,860.66

Finding the Fourth Proportional to 2,991,778.92, 4,128,809.46 and 1,829,860.66

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Solution

The fourth proportional to 2,991,778.92, 4,128,809.46 and 1,829,860.66 is: 2,525,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,778.92 : 4,128,809.46 = 1,829,860.66 : x
  2. Step 2: Convert to fraction form
    2,991,778.92/4,128,809.46 = 1,829,860.66/x
  3. Step 3: Cross multiply
    2,991,778.92x = 4,128,809.46 × 1,829,860.66
  4. Step 4: Simplify right side
    2,991,778.92x = 7,555,146,003,489.84
  5. Step 5: Solve for x
    x = 7,555,146,003,489.84/2,991,778.92
  6. Step 6: Final answer
    x = 2,525,302.24

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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.