Home / 1,813,953.90-2,720,930.86-661,286.94

Finding the Fourth Proportional to 1,813,953.90, 2,720,930.86 and 661,286.94

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Solution

The fourth proportional to 1,813,953.90, 2,720,930.86 and 661,286.94 is: 991,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,953.90 : 2,720,930.86 = 661,286.94 : x
  2. Step 2: Convert to fraction form
    1,813,953.90/2,720,930.86 = 661,286.94/x
  3. Step 3: Cross multiply
    1,813,953.90x = 2,720,930.86 × 661,286.94
  4. Step 4: Simplify right side
    1,813,953.90x = 1,799,316,042,360.97
  5. Step 5: Solve for x
    x = 1,799,316,042,360.97/1,813,953.90
  6. Step 6: Final answer
    x = 991,930.41

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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.