Home / 1,993,461.38-2,750,678.72-1,122,168.74

Finding the Fourth Proportional to 1,993,461.38, 2,750,678.72 and 1,122,168.74

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Solution

The fourth proportional to 1,993,461.38, 2,750,678.72 and 1,122,168.74 is: 1,548,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,461.38 : 2,750,678.72 = 1,122,168.74 : x
  2. Step 2: Convert to fraction form
    1,993,461.38/2,750,678.72 = 1,122,168.74/x
  3. Step 3: Cross multiply
    1,993,461.38x = 2,750,678.72 × 1,122,168.74
  4. Step 4: Simplify right side
    1,993,461.38x = 3,086,725,673,367.21
  5. Step 5: Solve for x
    x = 3,086,725,673,367.21/1,993,461.38
  6. Step 6: Final answer
    x = 1,548,425.12

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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.