Home / 1,538,204.14-2,122,764.51-849,920.34

Finding the Fourth Proportional to 1,538,204.14, 2,122,764.51 and 849,920.34

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Solution

The fourth proportional to 1,538,204.14, 2,122,764.51 and 849,920.34 is: 1,172,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,204.14 : 2,122,764.51 = 849,920.34 : x
  2. Step 2: Convert to fraction form
    1,538,204.14/2,122,764.51 = 849,920.34/x
  3. Step 3: Cross multiply
    1,538,204.14x = 2,122,764.51 × 849,920.34
  4. Step 4: Simplify right side
    1,538,204.14x = 1,804,180,745,226.70
  5. Step 5: Solve for x
    x = 1,804,180,745,226.70/1,538,204.14
  6. Step 6: Final answer
    x = 1,172,913.72

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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.