Home / 2,112,329.20-3,168,493.80-692,042.80

Finding the Fourth Proportional to 2,112,329.20, 3,168,493.80 and 692,042.80

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Solution

The fourth proportional to 2,112,329.20, 3,168,493.80 and 692,042.80 is: 1,038,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,329.20 : 3,168,493.80 = 692,042.80 : x
  2. Step 2: Convert to fraction form
    2,112,329.20/3,168,493.80 = 692,042.80/x
  3. Step 3: Cross multiply
    2,112,329.20x = 3,168,493.80 × 692,042.80
  4. Step 4: Simplify right side
    2,112,329.20x = 2,192,733,321,134.64
  5. Step 5: Solve for x
    x = 2,192,733,321,134.64/2,112,329.20
  6. Step 6: Final answer
    x = 1,038,064.20

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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.