Home / 3,115,977.84-4,300,037.82-1,739,309.54

Finding the Fourth Proportional to 3,115,977.84, 4,300,037.82 and 1,739,309.54

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Solution

The fourth proportional to 3,115,977.84, 4,300,037.82 and 1,739,309.54 is: 2,400,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,977.84 : 4,300,037.82 = 1,739,309.54 : x
  2. Step 2: Convert to fraction form
    3,115,977.84/4,300,037.82 = 1,739,309.54/x
  3. Step 3: Cross multiply
    3,115,977.84x = 4,300,037.82 × 1,739,309.54
  4. Step 4: Simplify right side
    3,115,977.84x = 7,479,096,781,186.61
  5. Step 5: Solve for x
    x = 7,479,096,781,186.61/3,115,977.84
  6. Step 6: Final answer
    x = 2,400,240.68

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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.