Home / 2,157,424.80-3,229,916.40-1,317,616.80

Finding the Fourth Proportional to 2,157,424.80, 3,229,916.40 and 1,317,616.80

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Solution

The fourth proportional to 2,157,424.80, 3,229,916.40 and 1,317,616.80 is: 1,972,625.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,424.80 : 3,229,916.40 = 1,317,616.80 : x
  2. Step 2: Convert to fraction form
    2,157,424.80/3,229,916.40 = 1,317,616.80/x
  3. Step 3: Cross multiply
    2,157,424.80x = 3,229,916.40 × 1,317,616.80
  4. Step 4: Simplify right side
    2,157,424.80x = 4,255,792,111,235.52
  5. Step 5: Solve for x
    x = 4,255,792,111,235.52/2,157,424.80
  6. Step 6: Final answer
    x = 1,972,625.93

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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.