Home / 5,428,588.80-8,138,946.60-2,232,069.60

Finding the Fourth Proportional to 5,428,588.80, 8,138,946.60 and 2,232,069.60

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Solution

The fourth proportional to 5,428,588.80, 8,138,946.60 and 2,232,069.60 is: 3,346,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,588.80 : 8,138,946.60 = 2,232,069.60 : x
  2. Step 2: Convert to fraction form
    5,428,588.80/8,138,946.60 = 2,232,069.60/x
  3. Step 3: Cross multiply
    5,428,588.80x = 8,138,946.60 × 2,232,069.60
  4. Step 4: Simplify right side
    5,428,588.80x = 18,166,695,281,883.36
  5. Step 5: Solve for x
    x = 18,166,695,281,883.36/5,428,588.80
  6. Step 6: Final answer
    x = 3,346,485.79

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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.