Home / 2,128,727.20-3,193,090.80-632,624.80

Finding the Fourth Proportional to 2,128,727.20, 3,193,090.80 and 632,624.80

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Solution

The fourth proportional to 2,128,727.20, 3,193,090.80 and 632,624.80 is: 948,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,727.20 : 3,193,090.80 = 632,624.80 : x
  2. Step 2: Convert to fraction form
    2,128,727.20/3,193,090.80 = 632,624.80/x
  3. Step 3: Cross multiply
    2,128,727.20x = 3,193,090.80 × 632,624.80
  4. Step 4: Simplify right side
    2,128,727.20x = 2,020,028,428,731.84
  5. Step 5: Solve for x
    x = 2,020,028,428,731.84/2,128,727.20
  6. Step 6: Final answer
    x = 948,937.20

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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.