Home / 3,918,820.26-5,407,602.21-2,199,604.98

Finding the Fourth Proportional to 3,918,820.26, 5,407,602.21 and 2,199,604.98

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Solution

The fourth proportional to 3,918,820.26, 5,407,602.21 and 2,199,604.98 is: 3,035,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,820.26 : 5,407,602.21 = 2,199,604.98 : x
  2. Step 2: Convert to fraction form
    3,918,820.26/5,407,602.21 = 2,199,604.98/x
  3. Step 3: Cross multiply
    3,918,820.26x = 5,407,602.21 × 2,199,604.98
  4. Step 4: Simplify right side
    3,918,820.26x = 11,894,588,750,975.01
  5. Step 5: Solve for x
    x = 11,894,588,750,975.01/3,918,820.26
  6. Step 6: Final answer
    x = 3,035,247.34

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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.