Home / 4,991,625.78-6,887,851.12-2,816,041.92

Finding the Fourth Proportional to 4,991,625.78, 6,887,851.12 and 2,816,041.92

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Solution

The fourth proportional to 4,991,625.78, 6,887,851.12 and 2,816,041.92 is: 3,885,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,625.78 : 6,887,851.12 = 2,816,041.92 : x
  2. Step 2: Convert to fraction form
    4,991,625.78/6,887,851.12 = 2,816,041.92/x
  3. Step 3: Cross multiply
    4,991,625.78x = 6,887,851.12 × 2,816,041.92
  4. Step 4: Simplify right side
    4,991,625.78x = 19,396,477,492,638.95
  5. Step 5: Solve for x
    x = 19,396,477,492,638.95/4,991,625.78
  6. Step 6: Final answer
    x = 3,885,803.61

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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.