Home / 2,731,627.80-4,099,920.30-1,384,727.40

Finding the Fourth Proportional to 2,731,627.80, 4,099,920.30 and 1,384,727.40

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Solution

The fourth proportional to 2,731,627.80, 4,099,920.30 and 1,384,727.40 is: 2,078,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,627.80 : 4,099,920.30 = 1,384,727.40 : x
  2. Step 2: Convert to fraction form
    2,731,627.80/4,099,920.30 = 1,384,727.40/x
  3. Step 3: Cross multiply
    2,731,627.80x = 4,099,920.30 × 1,384,727.40
  4. Step 4: Simplify right side
    2,731,627.80x = 5,677,271,977,226.22
  5. Step 5: Solve for x
    x = 5,677,271,977,226.22/2,731,627.80
  6. Step 6: Final answer
    x = 2,078,347.56

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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.