Home / 5,429,868.80-8,144,803.20-2,770,131.20

Finding the Fourth Proportional to 5,429,868.80, 8,144,803.20 and 2,770,131.20

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Solution

The fourth proportional to 5,429,868.80, 8,144,803.20 and 2,770,131.20 is: 4,155,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,868.80 : 8,144,803.20 = 2,770,131.20 : x
  2. Step 2: Convert to fraction form
    5,429,868.80/8,144,803.20 = 2,770,131.20/x
  3. Step 3: Cross multiply
    5,429,868.80x = 8,144,803.20 × 2,770,131.20
  4. Step 4: Simplify right side
    5,429,868.80x = 22,562,173,462,179.84
  5. Step 5: Solve for x
    x = 22,562,173,462,179.84/5,429,868.80
  6. Step 6: Final answer
    x = 4,155,196.80

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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.