Home / 3,828,670.19-5,283,600.28-2,109,852.21

Finding the Fourth Proportional to 3,828,670.19, 5,283,600.28 and 2,109,852.21

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Solution

The fourth proportional to 3,828,670.19, 5,283,600.28 and 2,109,852.21 is: 2,911,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,670.19 : 5,283,600.28 = 2,109,852.21 : x
  2. Step 2: Convert to fraction form
    3,828,670.19/5,283,600.28 = 2,109,852.21/x
  3. Step 3: Cross multiply
    3,828,670.19x = 5,283,600.28 × 2,109,852.21
  4. Step 4: Simplify right side
    3,828,670.19x = 11,147,615,727,514.62
  5. Step 5: Solve for x
    x = 11,147,615,727,514.62/3,828,670.19
  6. Step 6: Final answer
    x = 2,911,615.57

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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.