Home / 5,100,489.74-7,038,675.16-2,808,644.78

Finding the Fourth Proportional to 5,100,489.74, 7,038,675.16 and 2,808,644.78

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Solution

The fourth proportional to 5,100,489.74, 7,038,675.16 and 2,808,644.78 is: 3,875,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,489.74 : 7,038,675.16 = 2,808,644.78 : x
  2. Step 2: Convert to fraction form
    5,100,489.74/7,038,675.16 = 2,808,644.78/x
  3. Step 3: Cross multiply
    5,100,489.74x = 7,038,675.16 × 2,808,644.78
  4. Step 4: Simplify right side
    5,100,489.74x = 19,769,138,204,034.68
  5. Step 5: Solve for x
    x = 19,769,138,204,034.68/5,100,489.74
  6. Step 6: Final answer
    x = 3,875,929.42

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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.