Home / 3,158,170.80-4,734,145.80-1,560,980.40

Finding the Fourth Proportional to 3,158,170.80, 4,734,145.80 and 1,560,980.40

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Solution

The fourth proportional to 3,158,170.80, 4,734,145.80 and 1,560,980.40 is: 2,339,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,170.80 : 4,734,145.80 = 1,560,980.40 : x
  2. Step 2: Convert to fraction form
    3,158,170.80/4,734,145.80 = 1,560,980.40/x
  3. Step 3: Cross multiply
    3,158,170.80x = 4,734,145.80 × 1,560,980.40
  4. Step 4: Simplify right side
    3,158,170.80x = 7,389,908,804,542.32
  5. Step 5: Solve for x
    x = 7,389,908,804,542.32/3,158,170.80
  6. Step 6: Final answer
    x = 2,339,933.23

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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.