Home / 1,915,723.74-2,870,333.79-1,155,968.85

Finding the Fourth Proportional to 1,915,723.74, 2,870,333.79 and 1,155,968.85

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Solution

The fourth proportional to 1,915,723.74, 2,870,333.79 and 1,155,968.85 is: 1,731,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,723.74 : 2,870,333.79 = 1,155,968.85 : x
  2. Step 2: Convert to fraction form
    1,915,723.74/2,870,333.79 = 1,155,968.85/x
  3. Step 3: Cross multiply
    1,915,723.74x = 2,870,333.79 × 1,155,968.85
  4. Step 4: Simplify right side
    1,915,723.74x = 3,318,016,435,990.77
  5. Step 5: Solve for x
    x = 3,318,016,435,990.77/1,915,723.74
  6. Step 6: Final answer
    x = 1,731,991.09

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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.