Home / 3,012,846.89-4,157,715.37-1,636,179.80

Finding the Fourth Proportional to 3,012,846.89, 4,157,715.37 and 1,636,179.80

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Solution

The fourth proportional to 3,012,846.89, 4,157,715.37 and 1,636,179.80 is: 2,257,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,846.89 : 4,157,715.37 = 1,636,179.80 : x
  2. Step 2: Convert to fraction form
    3,012,846.89/4,157,715.37 = 1,636,179.80/x
  3. Step 3: Cross multiply
    3,012,846.89x = 4,157,715.37 × 1,636,179.80
  4. Step 4: Simplify right side
    3,012,846.89x = 6,802,769,894,362.63
  5. Step 5: Solve for x
    x = 6,802,769,894,362.63/3,012,846.89
  6. Step 6: Final answer
    x = 2,257,920.88

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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.