Home / 5,389,831.80-8,084,747.70-4,893,820.20

Finding the Fourth Proportional to 5,389,831.80, 8,084,747.70 and 4,893,820.20

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Solution

The fourth proportional to 5,389,831.80, 8,084,747.70 and 4,893,820.20 is: 7,340,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,831.80 : 8,084,747.70 = 4,893,820.20 : x
  2. Step 2: Convert to fraction form
    5,389,831.80/8,084,747.70 = 4,893,820.20/x
  3. Step 3: Cross multiply
    5,389,831.80x = 8,084,747.70 × 4,893,820.20
  4. Step 4: Simplify right side
    5,389,831.80x = 39,565,301,606,163.54
  5. Step 5: Solve for x
    x = 39,565,301,606,163.54/5,389,831.80
  6. Step 6: Final answer
    x = 7,340,730.30

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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.