Home / 7,192,783.60-10,789,175.40-2,930,628.40

Finding the Fourth Proportional to 7,192,783.60, 10,789,175.40 and 2,930,628.40

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Solution

The fourth proportional to 7,192,783.60, 10,789,175.40 and 2,930,628.40 is: 4,395,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,783.60 : 10,789,175.40 = 2,930,628.40 : x
  2. Step 2: Convert to fraction form
    7,192,783.60/10,789,175.40 = 2,930,628.40/x
  3. Step 3: Cross multiply
    7,192,783.60x = 10,789,175.40 × 2,930,628.40
  4. Step 4: Simplify right side
    7,192,783.60x = 31,619,063,839,821.36
  5. Step 5: Solve for x
    x = 31,619,063,839,821.36/7,192,783.60
  6. Step 6: Final answer
    x = 4,395,942.60

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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.