Home / 5,391,811.80-8,077,220.10-2,991,360.60

Finding the Fourth Proportional to 5,391,811.80, 8,077,220.10 and 2,991,360.60

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Solution

The fourth proportional to 5,391,811.80, 8,077,220.10 and 2,991,360.60 is: 4,481,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,811.80 : 8,077,220.10 = 2,991,360.60 : x
  2. Step 2: Convert to fraction form
    5,391,811.80/8,077,220.10 = 2,991,360.60/x
  3. Step 3: Cross multiply
    5,391,811.80x = 8,077,220.10 × 2,991,360.60
  4. Step 4: Simplify right side
    5,391,811.80x = 24,161,877,964,668.06
  5. Step 5: Solve for x
    x = 24,161,877,964,668.06/5,391,811.80
  6. Step 6: Final answer
    x = 4,481,216.86

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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.