Home / 2,137,794.56-2,949,335.69-1,220,074.68

Finding the Fourth Proportional to 2,137,794.56, 2,949,335.69 and 1,220,074.68

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Solution

The fourth proportional to 2,137,794.56, 2,949,335.69 and 1,220,074.68 is: 1,683,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,794.56 : 2,949,335.69 = 1,220,074.68 : x
  2. Step 2: Convert to fraction form
    2,137,794.56/2,949,335.69 = 1,220,074.68/x
  3. Step 3: Cross multiply
    2,137,794.56x = 2,949,335.69 × 1,220,074.68
  4. Step 4: Simplify right side
    2,137,794.56x = 3,598,409,792,088.96
  5. Step 5: Solve for x
    x = 3,598,409,792,088.96/2,137,794.56
  6. Step 6: Final answer
    x = 1,683,234.61

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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.