Home / 5,121,831.82-7,681,761.96-2,388,628.96

Finding the Fourth Proportional to 5,121,831.82, 7,681,761.96 and 2,388,628.96

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Solution

The fourth proportional to 5,121,831.82, 7,681,761.96 and 2,388,628.96 is: 3,582,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,831.82 : 7,681,761.96 = 2,388,628.96 : x
  2. Step 2: Convert to fraction form
    5,121,831.82/7,681,761.96 = 2,388,628.96/x
  3. Step 3: Cross multiply
    5,121,831.82x = 7,681,761.96 × 2,388,628.96
  4. Step 4: Simplify right side
    5,121,831.82x = 18,348,879,081,482.36
  5. Step 5: Solve for x
    x = 18,348,879,081,482.36/5,121,831.82
  6. Step 6: Final answer
    x = 3,582,483.71

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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.