Home / 2,027,782.49-2,798,148.44-1,211,823.72

Finding the Fourth Proportional to 2,027,782.49, 2,798,148.44 and 1,211,823.72

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Solution

The fourth proportional to 2,027,782.49, 2,798,148.44 and 1,211,823.72 is: 1,672,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027,782.49 : 2,798,148.44 = 1,211,823.72 : x
  2. Step 2: Convert to fraction form
    2,027,782.49/2,798,148.44 = 1,211,823.72/x
  3. Step 3: Cross multiply
    2,027,782.49x = 2,798,148.44 × 1,211,823.72
  4. Step 4: Simplify right side
    2,027,782.49x = 3,390,862,654,702.56
  5. Step 5: Solve for x
    x = 3,390,862,654,702.56/2,027,782.49
  6. Step 6: Final answer
    x = 1,672,202.36

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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.