Home / 2,052,112.55-2,831,921.01-1,121,831.54

Finding the Fourth Proportional to 2,052,112.55, 2,831,921.01 and 1,121,831.54

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Solution

The fourth proportional to 2,052,112.55, 2,831,921.01 and 1,121,831.54 is: 1,548,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,112.55 : 2,831,921.01 = 1,121,831.54 : x
  2. Step 2: Convert to fraction form
    2,052,112.55/2,831,921.01 = 1,121,831.54/x
  3. Step 3: Cross multiply
    2,052,112.55x = 2,831,921.01 × 1,121,831.54
  4. Step 4: Simplify right side
    2,052,112.55x = 3,176,938,304,266.75
  5. Step 5: Solve for x
    x = 3,176,938,304,266.75/2,052,112.55
  6. Step 6: Final answer
    x = 1,548,130.64

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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.