Home / 5,419,388.86-7,478,069.26-2,971,355.72

Finding the Fourth Proportional to 5,419,388.86, 7,478,069.26 and 2,971,355.72

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Solution

The fourth proportional to 5,419,388.86, 7,478,069.26 and 2,971,355.72 is: 4,100,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,388.86 : 7,478,069.26 = 2,971,355.72 : x
  2. Step 2: Convert to fraction form
    5,419,388.86/7,478,069.26 = 2,971,355.72/x
  3. Step 3: Cross multiply
    5,419,388.86x = 7,478,069.26 × 2,971,355.72
  4. Step 4: Simplify right side
    5,419,388.86x = 22,220,003,870,257.17
  5. Step 5: Solve for x
    x = 22,220,003,870,257.17/5,419,388.86
  6. Step 6: Final answer
    x = 4,100,094.02

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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.