Home / 2,059,762.20-3,089,643.30-1,217,880.60

Finding the Fourth Proportional to 2,059,762.20, 3,089,643.30 and 1,217,880.60

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Solution

The fourth proportional to 2,059,762.20, 3,089,643.30 and 1,217,880.60 is: 1,826,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,762.20 : 3,089,643.30 = 1,217,880.60 : x
  2. Step 2: Convert to fraction form
    2,059,762.20/3,089,643.30 = 1,217,880.60/x
  3. Step 3: Cross multiply
    2,059,762.20x = 3,089,643.30 × 1,217,880.60
  4. Step 4: Simplify right side
    2,059,762.20x = 3,762,816,635,989.98
  5. Step 5: Solve for x
    x = 3,762,816,635,989.98/2,059,762.20
  6. Step 6: Final answer
    x = 1,826,820.90

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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.