Home / 5,905,387.72-8,149,434.99-3,189,133.72

Finding the Fourth Proportional to 5,905,387.72, 8,149,434.99 and 3,189,133.72

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Solution

The fourth proportional to 5,905,387.72, 8,149,434.99 and 3,189,133.72 is: 4,401,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,387.72 : 8,149,434.99 = 3,189,133.72 : x
  2. Step 2: Convert to fraction form
    5,905,387.72/8,149,434.99 = 3,189,133.72/x
  3. Step 3: Cross multiply
    5,905,387.72x = 8,149,434.99 × 3,189,133.72
  4. Step 4: Simplify right side
    5,905,387.72x = 25,989,637,925,556.86
  5. Step 5: Solve for x
    x = 25,989,637,925,556.86/5,905,387.72
  6. Step 6: Final answer
    x = 4,401,004.50

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1.5x scale

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.