Home / 2,193,106.20-3,289,659.30-772,690.20

Finding the Fourth Proportional to 2,193,106.20, 3,289,659.30 and 772,690.20

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Solution

The fourth proportional to 2,193,106.20, 3,289,659.30 and 772,690.20 is: 1,159,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,106.20 : 3,289,659.30 = 772,690.20 : x
  2. Step 2: Convert to fraction form
    2,193,106.20/3,289,659.30 = 772,690.20/x
  3. Step 3: Cross multiply
    2,193,106.20x = 3,289,659.30 × 772,690.20
  4. Step 4: Simplify right side
    2,193,106.20x = 2,541,887,502,448.86
  5. Step 5: Solve for x
    x = 2,541,887,502,448.86/2,193,106.20
  6. Step 6: Final answer
    x = 1,159,035.30

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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.