Home / 4,914,823.40-7,372,235.10-3,214,212.20

Finding the Fourth Proportional to 4,914,823.40, 7,372,235.10 and 3,214,212.20

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Solution

The fourth proportional to 4,914,823.40, 7,372,235.10 and 3,214,212.20 is: 4,821,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,823.40 : 7,372,235.10 = 3,214,212.20 : x
  2. Step 2: Convert to fraction form
    4,914,823.40/7,372,235.10 = 3,214,212.20/x
  3. Step 3: Cross multiply
    4,914,823.40x = 7,372,235.10 × 3,214,212.20
  4. Step 4: Simplify right side
    4,914,823.40x = 23,695,927,999,688.22
  5. Step 5: Solve for x
    x = 23,695,927,999,688.22/4,914,823.40
  6. Step 6: Final answer
    x = 4,821,318.30

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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.