Home / 5,715,722.11-7,884,108.63-3,390,968.75

Finding the Fourth Proportional to 5,715,722.11, 7,884,108.63 and 3,390,968.75

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Solution

The fourth proportional to 5,715,722.11, 7,884,108.63 and 3,390,968.75 is: 4,677,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,722.11 : 7,884,108.63 = 3,390,968.75 : x
  2. Step 2: Convert to fraction form
    5,715,722.11/7,884,108.63 = 3,390,968.75/x
  3. Step 3: Cross multiply
    5,715,722.11x = 7,884,108.63 × 3,390,968.75
  4. Step 4: Simplify right side
    5,715,722.11x = 26,734,765,985,935.31
  5. Step 5: Solve for x
    x = 26,734,765,985,935.31/5,715,722.11
  6. Step 6: Final answer
    x = 4,677,408.29

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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.