Home / 5,215,639.47-7,823,376.01-1,429,122.34

Finding the Fourth Proportional to 5,215,639.47, 7,823,376.01 and 1,429,122.34

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Solution

The fourth proportional to 5,215,639.47, 7,823,376.01 and 1,429,122.34 is: 2,143,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,639.47 : 7,823,376.01 = 1,429,122.34 : x
  2. Step 2: Convert to fraction form
    5,215,639.47/7,823,376.01 = 1,429,122.34/x
  3. Step 3: Cross multiply
    5,215,639.47x = 7,823,376.01 × 1,429,122.34
  4. Step 4: Simplify right side
    5,215,639.47x = 11,180,561,430,111.06
  5. Step 5: Solve for x
    x = 11,180,561,430,111.06/5,215,639.47
  6. Step 6: Final answer
    x = 2,143,660.71

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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.