Home / 5,212,392.78-7,811,779.85-2,906,793.89

Finding the Fourth Proportional to 5,212,392.78, 7,811,779.85 and 2,906,793.89

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Solution

The fourth proportional to 5,212,392.78, 7,811,779.85 and 2,906,793.89 is: 4,356,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,392.78 : 7,811,779.85 = 2,906,793.89 : x
  2. Step 2: Convert to fraction form
    5,212,392.78/7,811,779.85 = 2,906,793.89/x
  3. Step 3: Cross multiply
    5,212,392.78x = 7,811,779.85 × 2,906,793.89
  4. Step 4: Simplify right side
    5,212,392.78x = 22,707,233,953,901.07
  5. Step 5: Solve for x
    x = 22,707,233,953,901.07/5,212,392.78
  6. Step 6: Final answer
    x = 4,356,393.49

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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.