Home / 5,242,406.40-7,863,609.60-2,047,636.80

Finding the Fourth Proportional to 5,242,406.40, 7,863,609.60 and 2,047,636.80

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Solution

The fourth proportional to 5,242,406.40, 7,863,609.60 and 2,047,636.80 is: 3,071,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,406.40 : 7,863,609.60 = 2,047,636.80 : x
  2. Step 2: Convert to fraction form
    5,242,406.40/7,863,609.60 = 2,047,636.80/x
  3. Step 3: Cross multiply
    5,242,406.40x = 7,863,609.60 × 2,047,636.80
  4. Step 4: Simplify right side
    5,242,406.40x = 16,101,816,397,793.28
  5. Step 5: Solve for x
    x = 16,101,816,397,793.28/5,242,406.40
  6. Step 6: Final answer
    x = 3,071,455.20

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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.