Home / 2,164,265.76-3,243,293.10-1,215,639.93

Finding the Fourth Proportional to 2,164,265.76, 3,243,293.10 and 1,215,639.93

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Solution

The fourth proportional to 2,164,265.76, 3,243,293.10 and 1,215,639.93 is: 1,821,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,265.76 : 3,243,293.10 = 1,215,639.93 : x
  2. Step 2: Convert to fraction form
    2,164,265.76/3,243,293.10 = 1,215,639.93/x
  3. Step 3: Cross multiply
    2,164,265.76x = 3,243,293.10 × 1,215,639.93
  4. Step 4: Simplify right side
    2,164,265.76x = 3,942,676,597,053.48
  5. Step 5: Solve for x
    x = 3,942,676,597,053.48/2,164,265.76
  6. Step 6: Final answer
    x = 1,821,715.55

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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.