Home / 3,621,843.20-5,429,308.80-1,346,758.40

Finding the Fourth Proportional to 3,621,843.20, 5,429,308.80 and 1,346,758.40

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Solution

The fourth proportional to 3,621,843.20, 5,429,308.80 and 1,346,758.40 is: 2,018,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,843.20 : 5,429,308.80 = 1,346,758.40 : x
  2. Step 2: Convert to fraction form
    3,621,843.20/5,429,308.80 = 1,346,758.40/x
  3. Step 3: Cross multiply
    3,621,843.20x = 5,429,308.80 × 1,346,758.40
  4. Step 4: Simplify right side
    3,621,843.20x = 7,311,967,232,593.92
  5. Step 5: Solve for x
    x = 7,311,967,232,593.92/3,621,843.20
  6. Step 6: Final answer
    x = 2,018,852.51

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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.