Home / 3,830,558.40-5,286,186.56-2,111,641.20

Finding the Fourth Proportional to 3,830,558.40, 5,286,186.56 and 2,111,641.20

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Solution

The fourth proportional to 3,830,558.40, 5,286,186.56 and 2,111,641.20 is: 2,914,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,558.40 : 5,286,186.56 = 2,111,641.20 : x
  2. Step 2: Convert to fraction form
    3,830,558.40/5,286,186.56 = 2,111,641.20/x
  3. Step 3: Cross multiply
    3,830,558.40x = 5,286,186.56 × 2,111,641.20
  4. Step 4: Simplify right side
    3,830,558.40x = 11,162,529,330,982.27
  5. Step 5: Solve for x
    x = 11,162,529,330,982.27/3,830,558.40
  6. Step 6: Final answer
    x = 2,914,073.66

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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.