Home / 7,001,089-9,661,503.09-3,781,825

Finding the Fourth Proportional to 7,001,089, 9,661,503.09 and 3,781,825

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Solution

The fourth proportional to 7,001,089, 9,661,503.09 and 3,781,825 is: 5,218,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,089 : 9,661,503.09 = 3,781,825 : x
  2. Step 2: Convert to fraction form
    7,001,089/9,661,503.09 = 3,781,825/x
  3. Step 3: Cross multiply
    7,001,089x = 9,661,503.09 × 3,781,825
  4. Step 4: Simplify right side
    7,001,089x = 36,538,113,923,339.25
  5. Step 5: Solve for x
    x = 36,538,113,923,339.25/7,001,089
  6. Step 6: Final answer
    x = 5,218,918.65

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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.