Home / 2,238,031.80-3,358,039.86-1,172,820.60

Finding the Fourth Proportional to 2,238,031.80, 3,358,039.86 and 1,172,820.60

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Solution

The fourth proportional to 2,238,031.80, 3,358,039.86 and 1,172,820.60 is: 1,759,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,031.80 : 3,358,039.86 = 1,172,820.60 : x
  2. Step 2: Convert to fraction form
    2,238,031.80/3,358,039.86 = 1,172,820.60/x
  3. Step 3: Cross multiply
    2,238,031.80x = 3,358,039.86 × 1,172,820.60
  4. Step 4: Simplify right side
    2,238,031.80x = 3,938,378,323,429.12
  5. Step 5: Solve for x
    x = 3,938,378,323,429.12/2,238,031.80
  6. Step 6: Final answer
    x = 1,759,750.83

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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.