Home / 3,657,138.64-5,486,068.50-1,260,667.80

Finding the Fourth Proportional to 3,657,138.64, 5,486,068.50 and 1,260,667.80

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Solution

The fourth proportional to 3,657,138.64, 5,486,068.50 and 1,260,667.80 is: 1,891,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657,138.64 : 5,486,068.50 = 1,260,667.80 : x
  2. Step 2: Convert to fraction form
    3,657,138.64/5,486,068.50 = 1,260,667.80/x
  3. Step 3: Cross multiply
    3,657,138.64x = 5,486,068.50 × 1,260,667.80
  4. Step 4: Simplify right side
    3,657,138.64x = 6,916,109,906,544.30
  5. Step 5: Solve for x
    x = 6,916,109,906,544.30/3,657,138.64
  6. Step 6: Final answer
    x = 1,891,125.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.