Home / 3,000,860.28-4,501,685.70-978,393.96

Finding the Fourth Proportional to 3,000,860.28, 4,501,685.70 and 978,393.96

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Solution

The fourth proportional to 3,000,860.28, 4,501,685.70 and 978,393.96 is: 1,467,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,860.28 : 4,501,685.70 = 978,393.96 : x
  2. Step 2: Convert to fraction form
    3,000,860.28/4,501,685.70 = 978,393.96/x
  3. Step 3: Cross multiply
    3,000,860.28x = 4,501,685.70 × 978,393.96
  4. Step 4: Simplify right side
    3,000,860.28x = 4,404,422,098,698.37
  5. Step 5: Solve for x
    x = 4,404,422,098,698.37/3,000,860.28
  6. Step 6: Final answer
    x = 1,467,719.82

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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.