Home / 1,900,611.78-2,622,823.38-1,029,424.82

Finding the Fourth Proportional to 1,900,611.78, 2,622,823.38 and 1,029,424.82

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Solution

The fourth proportional to 1,900,611.78, 2,622,823.38 and 1,029,424.82 is: 1,420,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,611.78 : 2,622,823.38 = 1,029,424.82 : x
  2. Step 2: Convert to fraction form
    1,900,611.78/2,622,823.38 = 1,029,424.82/x
  3. Step 3: Cross multiply
    1,900,611.78x = 2,622,823.38 × 1,029,424.82
  4. Step 4: Simplify right side
    1,900,611.78x = 2,699,999,472,734.17
  5. Step 5: Solve for x
    x = 2,699,999,472,734.17/1,900,611.78
  6. Step 6: Final answer
    x = 1,420,594.94

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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.