Home / 1,780,609.46-2,457,286.79-1,092,661.40

Finding the Fourth Proportional to 1,780,609.46, 2,457,286.79 and 1,092,661.40

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Solution

The fourth proportional to 1,780,609.46, 2,457,286.79 and 1,092,661.40 is: 1,507,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,609.46 : 2,457,286.79 = 1,092,661.40 : x
  2. Step 2: Convert to fraction form
    1,780,609.46/2,457,286.79 = 1,092,661.40/x
  3. Step 3: Cross multiply
    1,780,609.46x = 2,457,286.79 × 1,092,661.40
  4. Step 4: Simplify right side
    1,780,609.46x = 2,684,982,406,413.17
  5. Step 5: Solve for x
    x = 2,684,982,406,413.17/1,780,609.46
  6. Step 6: Final answer
    x = 1,507,900.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.