Home / 3,498,638.64-4,827,972.15-1,949,817.90

Finding the Fourth Proportional to 3,498,638.64, 4,827,972.15 and 1,949,817.90

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Solution

The fourth proportional to 3,498,638.64, 4,827,972.15 and 1,949,817.90 is: 2,690,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498,638.64 : 4,827,972.15 = 1,949,817.90 : x
  2. Step 2: Convert to fraction form
    3,498,638.64/4,827,972.15 = 1,949,817.90/x
  3. Step 3: Cross multiply
    3,498,638.64x = 4,827,972.15 × 1,949,817.90
  4. Step 4: Simplify right side
    3,498,638.64x = 9,413,666,518,771.49
  5. Step 5: Solve for x
    x = 9,413,666,518,771.49/3,498,638.64
  6. Step 6: Final answer
    x = 2,690,665.57

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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.