Home / 2,205,792.20-3,308,688.30-1,645,920.20

Finding the Fourth Proportional to 2,205,792.20, 3,308,688.30 and 1,645,920.20

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Solution

The fourth proportional to 2,205,792.20, 3,308,688.30 and 1,645,920.20 is: 2,468,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,792.20 : 3,308,688.30 = 1,645,920.20 : x
  2. Step 2: Convert to fraction form
    2,205,792.20/3,308,688.30 = 1,645,920.20/x
  3. Step 3: Cross multiply
    2,205,792.20x = 3,308,688.30 × 1,645,920.20
  4. Step 4: Simplify right side
    2,205,792.20x = 5,445,836,908,473.66
  5. Step 5: Solve for x
    x = 5,445,836,908,473.66/2,205,792.20
  6. Step 6: Final answer
    x = 2,468,880.30

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Similar ratio
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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.