Home / 2,120,980.26-3,181,427.33-523,557.19

Finding the Fourth Proportional to 2,120,980.26, 3,181,427.33 and 523,557.19

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Solution

The fourth proportional to 2,120,980.26, 3,181,427.33 and 523,557.19 is: 785,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,980.26 : 3,181,427.33 = 523,557.19 : x
  2. Step 2: Convert to fraction form
    2,120,980.26/3,181,427.33 = 523,557.19/x
  3. Step 3: Cross multiply
    2,120,980.26x = 3,181,427.33 × 523,557.19
  4. Step 4: Simplify right side
    2,120,980.26x = 1,665,659,139,492.48
  5. Step 5: Solve for x
    x = 1,665,659,139,492.48/2,120,980.26
  6. Step 6: Final answer
    x = 785,325.15

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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.