Home / 4,154,865.20-6,231,131.40-1,315,847.60

Finding the Fourth Proportional to 4,154,865.20, 6,231,131.40 and 1,315,847.60

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Solution

The fourth proportional to 4,154,865.20, 6,231,131.40 and 1,315,847.60 is: 1,973,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154,865.20 : 6,231,131.40 = 1,315,847.60 : x
  2. Step 2: Convert to fraction form
    4,154,865.20/6,231,131.40 = 1,315,847.60/x
  3. Step 3: Cross multiply
    4,154,865.20x = 6,231,131.40 × 1,315,847.60
  4. Step 4: Simplify right side
    4,154,865.20x = 8,199,219,297,974.64
  5. Step 5: Solve for x
    x = 8,199,219,297,974.64/4,154,865.20
  6. Step 6: Final answer
    x = 1,973,402.00

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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.