Home / 2,130,912.93-3,196,347.51-1,231,782.57

Finding the Fourth Proportional to 2,130,912.93, 3,196,347.51 and 1,231,782.57

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Solution

The fourth proportional to 2,130,912.93, 3,196,347.51 and 1,231,782.57 is: 1,847,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,912.93 : 3,196,347.51 = 1,231,782.57 : x
  2. Step 2: Convert to fraction form
    2,130,912.93/3,196,347.51 = 1,231,782.57/x
  3. Step 3: Cross multiply
    2,130,912.93x = 3,196,347.51 × 1,231,782.57
  4. Step 4: Simplify right side
    2,130,912.93x = 3,937,205,150,480.90
  5. Step 5: Solve for x
    x = 3,937,205,150,480.90/2,130,912.93
  6. Step 6: Final answer
    x = 1,847,661.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.