Home / 2,112,085.80-3,167,351.10-692,188.20

Finding the Fourth Proportional to 2,112,085.80, 3,167,351.10 and 692,188.20

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Solution

The fourth proportional to 2,112,085.80, 3,167,351.10 and 692,188.20 is: 1,038,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,085.80 : 3,167,351.10 = 692,188.20 : x
  2. Step 2: Convert to fraction form
    2,112,085.80/3,167,351.10 = 692,188.20/x
  3. Step 3: Cross multiply
    2,112,085.80x = 3,167,351.10 × 692,188.20
  4. Step 4: Simplify right side
    2,112,085.80x = 2,192,403,056,677.02
  5. Step 5: Solve for x
    x = 2,192,403,056,677.02/2,112,085.80
  6. Step 6: Final answer
    x = 1,038,027.46

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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.