Home / 5,100,489-7,038,674.82-2,808,644.22

Finding the Fourth Proportional to 5,100,489, 7,038,674.82 and 2,808,644.22

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Solution

The fourth proportional to 5,100,489, 7,038,674.82 and 2,808,644.22 is: 3,875,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,489 : 7,038,674.82 = 2,808,644.22 : x
  2. Step 2: Convert to fraction form
    5,100,489/7,038,674.82 = 2,808,644.22/x
  3. Step 3: Cross multiply
    5,100,489x = 7,038,674.82 × 2,808,644.22
  4. Step 4: Simplify right side
    5,100,489x = 19,769,133,349,652.54
  5. Step 5: Solve for x
    x = 19,769,133,349,652.54/5,100,489
  6. Step 6: Final answer
    x = 3,875,929.02

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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.