Home / 5,281,907.18-7,923,998.00-1,638,563.22

Finding the Fourth Proportional to 5,281,907.18, 7,923,998.00 and 1,638,563.22

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Solution

The fourth proportional to 5,281,907.18, 7,923,998.00 and 1,638,563.22 is: 2,458,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,907.18 : 7,923,998.00 = 1,638,563.22 : x
  2. Step 2: Convert to fraction form
    5,281,907.18/7,923,998.00 = 1,638,563.22/x
  3. Step 3: Cross multiply
    5,281,907.18x = 7,923,998.00 × 1,638,563.22
  4. Step 4: Simplify right side
    5,281,907.18x = 12,983,971,669,960.74
  5. Step 5: Solve for x
    x = 12,983,971,669,960.74/5,281,907.18
  6. Step 6: Final answer
    x = 2,458,197.62

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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.