Home / 5,678,523.90-8,520,118.65-2,086,011.90

Finding the Fourth Proportional to 5,678,523.90, 8,520,118.65 and 2,086,011.90

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Solution

The fourth proportional to 5,678,523.90, 8,520,118.65 and 2,086,011.90 is: 3,129,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,523.90 : 8,520,118.65 = 2,086,011.90 : x
  2. Step 2: Convert to fraction form
    5,678,523.90/8,520,118.65 = 2,086,011.90/x
  3. Step 3: Cross multiply
    5,678,523.90x = 8,520,118.65 × 2,086,011.90
  4. Step 4: Simplify right side
    5,678,523.90x = 17,773,068,893,311.93
  5. Step 5: Solve for x
    x = 17,773,068,893,311.93/5,678,523.90
  6. Step 6: Final answer
    x = 3,129,874.81

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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.