Home / 2,980,436.80-4,468,147.44-1,296,271.84

Finding the Fourth Proportional to 2,980,436.80, 4,468,147.44 and 1,296,271.84

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Solution

The fourth proportional to 2,980,436.80, 4,468,147.44 and 1,296,271.84 is: 1,943,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,436.80 : 4,468,147.44 = 1,296,271.84 : x
  2. Step 2: Convert to fraction form
    2,980,436.80/4,468,147.44 = 1,296,271.84/x
  3. Step 3: Cross multiply
    2,980,436.80x = 4,468,147.44 × 1,296,271.84
  4. Step 4: Simplify right side
    2,980,436.80x = 5,791,933,703,440.09
  5. Step 5: Solve for x
    x = 5,791,933,703,440.09/2,980,436.80
  6. Step 6: Final answer
    x = 1,943,317.07

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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.