Home / 3,171,112.80-4,756,651.44-774,970.08

Finding the Fourth Proportional to 3,171,112.80, 4,756,651.44 and 774,970.08

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Solution

The fourth proportional to 3,171,112.80, 4,756,651.44 and 774,970.08 is: 1,162,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,112.80 : 4,756,651.44 = 774,970.08 : x
  2. Step 2: Convert to fraction form
    3,171,112.80/4,756,651.44 = 774,970.08/x
  3. Step 3: Cross multiply
    3,171,112.80x = 4,756,651.44 × 774,970.08
  4. Step 4: Simplify right side
    3,171,112.80x = 3,686,262,546,988.92
  5. Step 5: Solve for x
    x = 3,686,262,546,988.92/3,171,112.80
  6. Step 6: Final answer
    x = 1,162,450.78

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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.