Home / 2,784,047.40-4,167,776.70-1,661,538.60

Finding the Fourth Proportional to 2,784,047.40, 4,167,776.70 and 1,661,538.60

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Solution

The fourth proportional to 2,784,047.40, 4,167,776.70 and 1,661,538.60 is: 2,487,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,047.40 : 4,167,776.70 = 1,661,538.60 : x
  2. Step 2: Convert to fraction form
    2,784,047.40/4,167,776.70 = 1,661,538.60/x
  3. Step 3: Cross multiply
    2,784,047.40x = 4,167,776.70 × 1,661,538.60
  4. Step 4: Simplify right side
    2,784,047.40x = 6,924,921,863,230.62
  5. Step 5: Solve for x
    x = 6,924,921,863,230.62/2,784,047.40
  6. Step 6: Final answer
    x = 2,487,357.75

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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.