Home / 2,812,819.81-3,881,709.97-1,523,660.18

Finding the Fourth Proportional to 2,812,819.81, 3,881,709.97 and 1,523,660.18

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Solution

The fourth proportional to 2,812,819.81, 3,881,709.97 and 1,523,660.18 is: 2,102,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,819.81 : 3,881,709.97 = 1,523,660.18 : x
  2. Step 2: Convert to fraction form
    2,812,819.81/3,881,709.97 = 1,523,660.18/x
  3. Step 3: Cross multiply
    2,812,819.81x = 3,881,709.97 × 1,523,660.18
  4. Step 4: Simplify right side
    2,812,819.81x = 5,914,406,913,683.97
  5. Step 5: Solve for x
    x = 5,914,406,913,683.97/2,812,819.81
  6. Step 6: Final answer
    x = 2,102,661.14

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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.