Home / 3,137,849.52-4,709,296.20-1,621,976.40

Finding the Fourth Proportional to 3,137,849.52, 4,709,296.20 and 1,621,976.40

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Solution

The fourth proportional to 3,137,849.52, 4,709,296.20 and 1,621,976.40 is: 2,434,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,849.52 : 4,709,296.20 = 1,621,976.40 : x
  2. Step 2: Convert to fraction form
    3,137,849.52/4,709,296.20 = 1,621,976.40/x
  3. Step 3: Cross multiply
    3,137,849.52x = 4,709,296.20 × 1,621,976.40
  4. Step 4: Simplify right side
    3,137,849.52x = 7,638,367,297,009.68
  5. Step 5: Solve for x
    x = 7,638,367,297,009.68/3,137,849.52
  6. Step 6: Final answer
    x = 2,434,268.20

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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.