Home / 3,142,885-4,336,977.18-1,853,429.80

Finding the Fourth Proportional to 3,142,885, 4,336,977.18 and 1,853,429.80

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Solution

The fourth proportional to 3,142,885, 4,336,977.18 and 1,853,429.80 is: 2,557,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,885 : 4,336,977.18 = 1,853,429.80 : x
  2. Step 2: Convert to fraction form
    3,142,885/4,336,977.18 = 1,853,429.80/x
  3. Step 3: Cross multiply
    3,142,885x = 4,336,977.18 × 1,853,429.80
  4. Step 4: Simplify right side
    3,142,885x = 8,038,282,747,331.96
  5. Step 5: Solve for x
    x = 8,038,282,747,331.96/3,142,885
  6. Step 6: Final answer
    x = 2,557,612.75

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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.