Home / 3,611,371.20-5,417,858.70-1,215,148.20

Finding the Fourth Proportional to 3,611,371.20, 5,417,858.70 and 1,215,148.20

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Solution

The fourth proportional to 3,611,371.20, 5,417,858.70 and 1,215,148.20 is: 1,822,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,371.20 : 5,417,858.70 = 1,215,148.20 : x
  2. Step 2: Convert to fraction form
    3,611,371.20/5,417,858.70 = 1,215,148.20/x
  3. Step 3: Cross multiply
    3,611,371.20x = 5,417,858.70 × 1,215,148.20
  4. Step 4: Simplify right side
    3,611,371.20x = 6,583,501,247,159.34
  5. Step 5: Solve for x
    x = 6,583,501,247,159.34/3,611,371.20
  6. Step 6: Final answer
    x = 1,822,992.12

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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.