Home / 2,812,880.71-3,881,794.08-1,523,721.16

Finding the Fourth Proportional to 2,812,880.71, 3,881,794.08 and 1,523,721.16

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Solution

The fourth proportional to 2,812,880.71, 3,881,794.08 and 1,523,721.16 is: 2,102,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,880.71 : 3,881,794.08 = 1,523,721.16 : x
  2. Step 2: Convert to fraction form
    2,812,880.71/3,881,794.08 = 1,523,721.16/x
  3. Step 3: Cross multiply
    2,812,880.71x = 3,881,794.08 × 1,523,721.16
  4. Step 4: Simplify right side
    2,812,880.71x = 5,914,771,778,458.73
  5. Step 5: Solve for x
    x = 5,914,771,778,458.73/2,812,880.71
  6. Step 6: Final answer
    x = 2,102,745.33

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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.