Home / 1,641,851.40-2,458,629.90-1,077,832.20

Finding the Fourth Proportional to 1,641,851.40, 2,458,629.90 and 1,077,832.20

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Solution

The fourth proportional to 1,641,851.40, 2,458,629.90 and 1,077,832.20 is: 1,614,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,851.40 : 2,458,629.90 = 1,077,832.20 : x
  2. Step 2: Convert to fraction form
    1,641,851.40/2,458,629.90 = 1,077,832.20/x
  3. Step 3: Cross multiply
    1,641,851.40x = 2,458,629.90 × 1,077,832.20
  4. Step 4: Simplify right side
    1,641,851.40x = 2,649,990,474,102.78
  5. Step 5: Solve for x
    x = 2,649,990,474,102.78/1,641,851.40
  6. Step 6: Final answer
    x = 1,614,025.77

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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.