Home / 1,862,078.94-2,794,343.13-1,021,221.18

Finding the Fourth Proportional to 1,862,078.94, 2,794,343.13 and 1,021,221.18

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Solution

The fourth proportional to 1,862,078.94, 2,794,343.13 and 1,021,221.18 is: 1,532,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,078.94 : 2,794,343.13 = 1,021,221.18 : x
  2. Step 2: Convert to fraction form
    1,862,078.94/2,794,343.13 = 1,021,221.18/x
  3. Step 3: Cross multiply
    1,862,078.94x = 2,794,343.13 × 1,021,221.18
  4. Step 4: Simplify right side
    1,862,078.94x = 2,853,642,388,543.49
  5. Step 5: Solve for x
    x = 2,853,642,388,543.49/1,862,078.94
  6. Step 6: Final answer
    x = 1,532,503.44

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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.