Home / 2,567,122.10-3,542,493.77-1,405,345.63

Finding the Fourth Proportional to 2,567,122.10, 3,542,493.77 and 1,405,345.63

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Solution

The fourth proportional to 2,567,122.10, 3,542,493.77 and 1,405,345.63 is: 1,939,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,122.10 : 3,542,493.77 = 1,405,345.63 : x
  2. Step 2: Convert to fraction form
    2,567,122.10/3,542,493.77 = 1,405,345.63/x
  3. Step 3: Cross multiply
    2,567,122.10x = 3,542,493.77 × 1,405,345.63
  4. Step 4: Simplify right side
    2,567,122.10x = 4,978,428,138,971.72
  5. Step 5: Solve for x
    x = 4,978,428,138,971.72/2,567,122.10
  6. Step 6: Final answer
    x = 1,939,303.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.