Home / 1,969,778.02-2,719,558.81-1,235,738.71

Finding the Fourth Proportional to 1,969,778.02, 2,719,558.81 and 1,235,738.71

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Solution

The fourth proportional to 1,969,778.02, 2,719,558.81 and 1,235,738.71 is: 1,706,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,778.02 : 2,719,558.81 = 1,235,738.71 : x
  2. Step 2: Convert to fraction form
    1,969,778.02/2,719,558.81 = 1,235,738.71/x
  3. Step 3: Cross multiply
    1,969,778.02x = 2,719,558.81 × 1,235,738.71
  4. Step 4: Simplify right side
    1,969,778.02x = 3,360,664,095,638.54
  5. Step 5: Solve for x
    x = 3,360,664,095,638.54/1,969,778.02
  6. Step 6: Final answer
    x = 1,706,113.11

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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.