Home / 5,242,835.85-7,854,178.53-3,215,167.03

Finding the Fourth Proportional to 5,242,835.85, 7,854,178.53 and 3,215,167.03

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Solution

The fourth proportional to 5,242,835.85, 7,854,178.53 and 3,215,167.03 is: 4,816,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,835.85 : 7,854,178.53 = 3,215,167.03 : x
  2. Step 2: Convert to fraction form
    5,242,835.85/7,854,178.53 = 3,215,167.03/x
  3. Step 3: Cross multiply
    5,242,835.85x = 7,854,178.53 × 3,215,167.03
  4. Step 4: Simplify right side
    5,242,835.85x = 25,252,495,857,389.86
  5. Step 5: Solve for x
    x = 25,252,495,857,389.86/5,242,835.85
  6. Step 6: Final answer
    x = 4,816,571.90

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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.