Home / 5,394,831.40-8,092,247.10-1,405,743.40

Finding the Fourth Proportional to 5,394,831.40, 8,092,247.10 and 1,405,743.40

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Solution

The fourth proportional to 5,394,831.40, 8,092,247.10 and 1,405,743.40 is: 2,108,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,831.40 : 8,092,247.10 = 1,405,743.40 : x
  2. Step 2: Convert to fraction form
    5,394,831.40/8,092,247.10 = 1,405,743.40/x
  3. Step 3: Cross multiply
    5,394,831.40x = 8,092,247.10 × 1,405,743.40
  4. Step 4: Simplify right side
    5,394,831.40x = 11,375,622,951,994.14
  5. Step 5: Solve for x
    x = 11,375,622,951,994.14/5,394,831.40
  6. Step 6: Final answer
    x = 2,108,615.10

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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.