Home / 4,991,021.82-7,486,534.08-1,397,318.13

Finding the Fourth Proportional to 4,991,021.82, 7,486,534.08 and 1,397,318.13

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Solution

The fourth proportional to 4,991,021.82, 7,486,534.08 and 1,397,318.13 is: 2,095,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,021.82 : 7,486,534.08 = 1,397,318.13 : x
  2. Step 2: Convert to fraction form
    4,991,021.82/7,486,534.08 = 1,397,318.13/x
  3. Step 3: Cross multiply
    4,991,021.82x = 7,486,534.08 × 1,397,318.13
  4. Step 4: Simplify right side
    4,991,021.82x = 10,461,069,800,846.87
  5. Step 5: Solve for x
    x = 10,461,069,800,846.87/4,991,021.82
  6. Step 6: Final answer
    x = 2,095,977.57

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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.