Home / 3,759,338.12-5,639,007.22-919,416.60

Finding the Fourth Proportional to 3,759,338.12, 5,639,007.22 and 919,416.60

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Solution

The fourth proportional to 3,759,338.12, 5,639,007.22 and 919,416.60 is: 1,379,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,338.12 : 5,639,007.22 = 919,416.60 : x
  2. Step 2: Convert to fraction form
    3,759,338.12/5,639,007.22 = 919,416.60/x
  3. Step 3: Cross multiply
    3,759,338.12x = 5,639,007.22 × 919,416.60
  4. Step 4: Simplify right side
    3,759,338.12x = 5,184,596,845,587.85
  5. Step 5: Solve for x
    x = 5,184,596,845,587.85/3,759,338.12
  6. Step 6: Final answer
    x = 1,379,124.91

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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.