Home / 6,419,021.93-8,859,158.53-3,972,420.93

Finding the Fourth Proportional to 6,419,021.93, 8,859,158.53 and 3,972,420.93

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Solution

The fourth proportional to 6,419,021.93, 8,859,158.53 and 3,972,420.93 is: 5,482,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,021.93 : 8,859,158.53 = 3,972,420.93 : x
  2. Step 2: Convert to fraction form
    6,419,021.93/8,859,158.53 = 3,972,420.93/x
  3. Step 3: Cross multiply
    6,419,021.93x = 8,859,158.53 × 3,972,420.93
  4. Step 4: Simplify right side
    6,419,021.93x = 35,192,306,790,050.82
  5. Step 5: Solve for x
    x = 35,192,306,790,050.82/6,419,021.93
  6. Step 6: Final answer
    x = 5,482,502.97

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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.