Home / 1,915,724.74-2,870,335.29-1,155,969.85

Finding the Fourth Proportional to 1,915,724.74, 2,870,335.29 and 1,155,969.85

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Solution

The fourth proportional to 1,915,724.74, 2,870,335.29 and 1,155,969.85 is: 1,731,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,724.74 : 2,870,335.29 = 1,155,969.85 : x
  2. Step 2: Convert to fraction form
    1,915,724.74/2,870,335.29 = 1,155,969.85/x
  3. Step 3: Cross multiply
    1,915,724.74x = 2,870,335.29 × 1,155,969.85
  4. Step 4: Simplify right side
    1,915,724.74x = 3,318,021,054,631.01
  5. Step 5: Solve for x
    x = 3,318,021,054,631.01/1,915,724.74
  6. Step 6: Final answer
    x = 1,731,992.59

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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.