Home / 2,110,009.20-2,911,808.60-1,143,163.60

Finding the Fourth Proportional to 2,110,009.20, 2,911,808.60 and 1,143,163.60

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Solution

The fourth proportional to 2,110,009.20, 2,911,808.60 and 1,143,163.60 is: 1,577,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,009.20 : 2,911,808.60 = 1,143,163.60 : x
  2. Step 2: Convert to fraction form
    2,110,009.20/2,911,808.60 = 1,143,163.60/x
  3. Step 3: Cross multiply
    2,110,009.20x = 2,911,808.60 × 1,143,163.60
  4. Step 4: Simplify right side
    2,110,009.20x = 3,328,673,601,686.96
  5. Step 5: Solve for x
    x = 3,328,673,601,686.96/2,110,009.20
  6. Step 6: Final answer
    x = 1,577,563.55

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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.