Home / 2,126,590.20-3,188,783.70-630,487.80

Finding the Fourth Proportional to 2,126,590.20, 3,188,783.70 and 630,487.80

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Solution

The fourth proportional to 2,126,590.20, 3,188,783.70 and 630,487.80 is: 945,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,590.20 : 3,188,783.70 = 630,487.80 : x
  2. Step 2: Convert to fraction form
    2,126,590.20/3,188,783.70 = 630,487.80/x
  3. Step 3: Cross multiply
    2,126,590.20x = 3,188,783.70 × 630,487.80
  4. Step 4: Simplify right side
    2,126,590.20x = 2,010,489,219,688.86
  5. Step 5: Solve for x
    x = 2,010,489,219,688.86/2,126,590.20
  6. Step 6: Final answer
    x = 945,405.10

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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.