Home / 3,314,847.60-4,972,271.40-2,782,969.20

Finding the Fourth Proportional to 3,314,847.60, 4,972,271.40 and 2,782,969.20

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Solution

The fourth proportional to 3,314,847.60, 4,972,271.40 and 2,782,969.20 is: 4,174,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,847.60 : 4,972,271.40 = 2,782,969.20 : x
  2. Step 2: Convert to fraction form
    3,314,847.60/4,972,271.40 = 2,782,969.20/x
  3. Step 3: Cross multiply
    3,314,847.60x = 4,972,271.40 × 2,782,969.20
  4. Step 4: Simplify right side
    3,314,847.60x = 13,837,678,160,240.88
  5. Step 5: Solve for x
    x = 13,837,678,160,240.88/3,314,847.60
  6. Step 6: Final answer
    x = 4,174,453.80

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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.