Home / 4,820,768.70-6,655,777.22-2,987,172.78

Finding the Fourth Proportional to 4,820,768.70, 6,655,777.22 and 2,987,172.78

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Solution

The fourth proportional to 4,820,768.70, 6,655,777.22 and 2,987,172.78 is: 4,124,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820,768.70 : 6,655,777.22 = 2,987,172.78 : x
  2. Step 2: Convert to fraction form
    4,820,768.70/6,655,777.22 = 2,987,172.78/x
  3. Step 3: Cross multiply
    4,820,768.70x = 6,655,777.22 × 2,987,172.78
  4. Step 4: Simplify right side
    4,820,768.70x = 19,881,956,541,328.07
  5. Step 5: Solve for x
    x = 19,881,956,541,328.07/4,820,768.70
  6. Step 6: Final answer
    x = 4,124,229.51

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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.