Home / 2,551,897.40-3,521,616.48-1,405,977.75

Finding the Fourth Proportional to 2,551,897.40, 3,521,616.48 and 1,405,977.75

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Solution

The fourth proportional to 2,551,897.40, 3,521,616.48 and 1,405,977.75 is: 1,940,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,897.40 : 3,521,616.48 = 1,405,977.75 : x
  2. Step 2: Convert to fraction form
    2,551,897.40/3,521,616.48 = 1,405,977.75/x
  3. Step 3: Cross multiply
    2,551,897.40x = 3,521,616.48 × 1,405,977.75
  4. Step 4: Simplify right side
    2,551,897.40x = 4,951,314,414,913.32
  5. Step 5: Solve for x
    x = 4,951,314,414,913.32/2,551,897.40
  6. Step 6: Final answer
    x = 1,940,248.23

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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.