Home / 2,127,137.82-3,191,328.81-631,268.70

Finding the Fourth Proportional to 2,127,137.82, 3,191,328.81 and 631,268.70

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Solution

The fourth proportional to 2,127,137.82, 3,191,328.81 and 631,268.70 is: 947,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,137.82 : 3,191,328.81 = 631,268.70 : x
  2. Step 2: Convert to fraction form
    2,127,137.82/3,191,328.81 = 631,268.70/x
  3. Step 3: Cross multiply
    2,127,137.82x = 3,191,328.81 × 631,268.70
  4. Step 4: Simplify right side
    2,127,137.82x = 2,014,585,989,161.25
  5. Step 5: Solve for x
    x = 2,014,585,989,161.25/2,127,137.82
  6. Step 6: Final answer
    x = 947,087.66

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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.