Home / 2,166,610.77-2,989,921.02-1,199,741.04

Finding the Fourth Proportional to 2,166,610.77, 2,989,921.02 and 1,199,741.04

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Solution

The fourth proportional to 2,166,610.77, 2,989,921.02 and 1,199,741.04 is: 1,655,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,610.77 : 2,989,921.02 = 1,199,741.04 : x
  2. Step 2: Convert to fraction form
    2,166,610.77/2,989,921.02 = 1,199,741.04/x
  3. Step 3: Cross multiply
    2,166,610.77x = 2,989,921.02 × 1,199,741.04
  4. Step 4: Simplify right side
    2,166,610.77x = 3,587,130,954,052.66
  5. Step 5: Solve for x
    x = 3,587,130,954,052.66/2,166,610.77
  6. Step 6: Final answer
    x = 1,655,641.61

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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.