Home / 4,932,571.76-7,380,253.20-2,911,914.80

Finding the Fourth Proportional to 4,932,571.76, 7,380,253.20 and 2,911,914.80

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Solution

The fourth proportional to 4,932,571.76, 7,380,253.20 and 2,911,914.80 is: 4,356,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932,571.76 : 7,380,253.20 = 2,911,914.80 : x
  2. Step 2: Convert to fraction form
    4,932,571.76/7,380,253.20 = 2,911,914.80/x
  3. Step 3: Cross multiply
    4,932,571.76x = 7,380,253.20 × 2,911,914.80
  4. Step 4: Simplify right side
    4,932,571.76x = 21,490,668,520,827.36
  5. Step 5: Solve for x
    x = 21,490,668,520,827.36/4,932,571.76
  6. Step 6: Final answer
    x = 4,356,889.18

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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.