Home / 3,100,710.70-4,642,208.70-2,781,846.10

Finding the Fourth Proportional to 3,100,710.70, 4,642,208.70 and 2,781,846.10

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Solution

The fourth proportional to 3,100,710.70, 4,642,208.70 and 2,781,846.10 is: 4,164,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,710.70 : 4,642,208.70 = 2,781,846.10 : x
  2. Step 2: Convert to fraction form
    3,100,710.70/4,642,208.70 = 2,781,846.10/x
  3. Step 3: Cross multiply
    3,100,710.70x = 4,642,208.70 × 2,781,846.10
  4. Step 4: Simplify right side
    3,100,710.70x = 12,913,910,167,481.07
  5. Step 5: Solve for x
    x = 12,913,910,167,481.07/3,100,710.70
  6. Step 6: Final answer
    x = 4,164,822.65

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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.