Home / 2,078,859.20-3,116,733.60-1,133,297.60

Finding the Fourth Proportional to 2,078,859.20, 3,116,733.60 and 1,133,297.60

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Solution

The fourth proportional to 2,078,859.20, 3,116,733.60 and 1,133,297.60 is: 1,699,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,859.20 : 3,116,733.60 = 1,133,297.60 : x
  2. Step 2: Convert to fraction form
    2,078,859.20/3,116,733.60 = 1,133,297.60/x
  3. Step 3: Cross multiply
    2,078,859.20x = 3,116,733.60 × 1,133,297.60
  4. Step 4: Simplify right side
    2,078,859.20x = 3,532,186,708,719.36
  5. Step 5: Solve for x
    x = 3,532,186,708,719.36/2,078,859.20
  6. Step 6: Final answer
    x = 1,699,098.58

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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.