Home / 2,197,174.20-3,295,761.30-778,831.80

Finding the Fourth Proportional to 2,197,174.20, 3,295,761.30 and 778,831.80

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Solution

The fourth proportional to 2,197,174.20, 3,295,761.30 and 778,831.80 is: 1,168,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,174.20 : 3,295,761.30 = 778,831.80 : x
  2. Step 2: Convert to fraction form
    2,197,174.20/3,295,761.30 = 778,831.80/x
  3. Step 3: Cross multiply
    2,197,174.20x = 3,295,761.30 × 778,831.80
  4. Step 4: Simplify right side
    2,197,174.20x = 2,566,843,705,649.34
  5. Step 5: Solve for x
    x = 2,566,843,705,649.34/2,197,174.20
  6. Step 6: Final answer
    x = 1,168,247.70

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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.