Home / 2,655,830.40-3,981,777.30-1,138,271.10

Finding the Fourth Proportional to 2,655,830.40, 3,981,777.30 and 1,138,271.10

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Solution

The fourth proportional to 2,655,830.40, 3,981,777.30 and 1,138,271.10 is: 1,706,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,830.40 : 3,981,777.30 = 1,138,271.10 : x
  2. Step 2: Convert to fraction form
    2,655,830.40/3,981,777.30 = 1,138,271.10/x
  3. Step 3: Cross multiply
    2,655,830.40x = 3,981,777.30 × 1,138,271.10
  4. Step 4: Simplify right side
    2,655,830.40x = 4,532,342,027,226.03
  5. Step 5: Solve for x
    x = 4,532,342,027,226.03/2,655,830.40
  6. Step 6: Final answer
    x = 1,706,563.05

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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.