Home / 4,311,404.80-6,468,028.80-1,319,891.20

Finding the Fourth Proportional to 4,311,404.80, 6,468,028.80 and 1,319,891.20

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Solution

The fourth proportional to 4,311,404.80, 6,468,028.80 and 1,319,891.20 is: 1,980,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,404.80 : 6,468,028.80 = 1,319,891.20 : x
  2. Step 2: Convert to fraction form
    4,311,404.80/6,468,028.80 = 1,319,891.20/x
  3. Step 3: Cross multiply
    4,311,404.80x = 6,468,028.80 × 1,319,891.20
  4. Step 4: Simplify right side
    4,311,404.80x = 8,537,094,294,466.56
  5. Step 5: Solve for x
    x = 8,537,094,294,466.56/4,311,404.80
  6. Step 6: Final answer
    x = 1,980,118.94

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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.