Home / 5,191,409.15-7,164,102.51-2,868,294.42

Finding the Fourth Proportional to 5,191,409.15, 7,164,102.51 and 2,868,294.42

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Solution

The fourth proportional to 5,191,409.15, 7,164,102.51 and 2,868,294.42 is: 3,958,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,409.15 : 7,164,102.51 = 2,868,294.42 : x
  2. Step 2: Convert to fraction form
    5,191,409.15/7,164,102.51 = 2,868,294.42/x
  3. Step 3: Cross multiply
    5,191,409.15x = 7,164,102.51 × 2,868,294.42
  4. Step 4: Simplify right side
    5,191,409.15x = 20,548,755,253,740.99
  5. Step 5: Solve for x
    x = 20,548,755,253,740.99/5,191,409.15
  6. Step 6: Final answer
    x = 3,958,223.03

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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.