Home / 2,791,438.40-4,191,094.20-1,728,556.40

Finding the Fourth Proportional to 2,791,438.40, 4,191,094.20 and 1,728,556.40

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Solution

The fourth proportional to 2,791,438.40, 4,191,094.20 and 1,728,556.40 is: 2,595,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,438.40 : 4,191,094.20 = 1,728,556.40 : x
  2. Step 2: Convert to fraction form
    2,791,438.40/4,191,094.20 = 1,728,556.40/x
  3. Step 3: Cross multiply
    2,791,438.40x = 4,191,094.20 × 1,728,556.40
  4. Step 4: Simplify right side
    2,791,438.40x = 7,244,542,702,412.88
  5. Step 5: Solve for x
    x = 7,244,542,702,412.88/2,791,438.40
  6. Step 6: Final answer
    x = 2,595,272.28

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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.