Home / 4,920,607.20-7,380,910.80-3,021,189.60

Finding the Fourth Proportional to 4,920,607.20, 7,380,910.80 and 3,021,189.60

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Solution

The fourth proportional to 4,920,607.20, 7,380,910.80 and 3,021,189.60 is: 4,531,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,607.20 : 7,380,910.80 = 3,021,189.60 : x
  2. Step 2: Convert to fraction form
    4,920,607.20/7,380,910.80 = 3,021,189.60/x
  3. Step 3: Cross multiply
    4,920,607.20x = 7,380,910.80 × 3,021,189.60
  4. Step 4: Simplify right side
    4,920,607.20x = 22,299,130,947,487.68
  5. Step 5: Solve for x
    x = 22,299,130,947,487.68/4,920,607.20
  6. Step 6: Final answer
    x = 4,531,784.40

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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.