Home / 3,828,649.82-5,283,572.18-2,109,831.84

Finding the Fourth Proportional to 3,828,649.82, 5,283,572.18 and 2,109,831.84

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Solution

The fourth proportional to 3,828,649.82, 5,283,572.18 and 2,109,831.84 is: 2,911,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,649.82 : 5,283,572.18 = 2,109,831.84 : x
  2. Step 2: Convert to fraction form
    3,828,649.82/5,283,572.18 = 2,109,831.84/x
  3. Step 3: Cross multiply
    3,828,649.82x = 5,283,572.18 × 2,109,831.84
  4. Step 4: Simplify right side
    3,828,649.82x = 11,147,448,803,753.05
  5. Step 5: Solve for x
    x = 11,147,448,803,753.05/3,828,649.82
  6. Step 6: Final answer
    x = 2,911,587.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.