Home / 3,897,537.99-5,378,609.52-2,178,657.45

Finding the Fourth Proportional to 3,897,537.99, 5,378,609.52 and 2,178,657.45

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Solution

The fourth proportional to 3,897,537.99, 5,378,609.52 and 2,178,657.45 is: 3,006,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,537.99 : 5,378,609.52 = 2,178,657.45 : x
  2. Step 2: Convert to fraction form
    3,897,537.99/5,378,609.52 = 2,178,657.45/x
  3. Step 3: Cross multiply
    3,897,537.99x = 5,378,609.52 × 2,178,657.45
  4. Step 4: Simplify right side
    3,897,537.99x = 11,718,147,701,388.92
  5. Step 5: Solve for x
    x = 11,718,147,701,388.92/3,897,537.99
  6. Step 6: Final answer
    x = 3,006,551.25

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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.