Home / 3,830,701.86-5,286,409.30-2,111,883.88

Finding the Fourth Proportional to 3,830,701.86, 5,286,409.30 and 2,111,883.88

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Solution

The fourth proportional to 3,830,701.86, 5,286,409.30 and 2,111,883.88 is: 2,914,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,701.86 : 5,286,409.30 = 2,111,883.88 : x
  2. Step 2: Convert to fraction form
    3,830,701.86/5,286,409.30 = 2,111,883.88/x
  3. Step 3: Cross multiply
    3,830,701.86x = 5,286,409.30 × 2,111,883.88
  4. Step 4: Simplify right side
    3,830,701.86x = 11,164,282,583,752.08
  5. Step 5: Solve for x
    x = 11,164,282,583,752.08/3,830,701.86
  6. Step 6: Final answer
    x = 2,914,422.21

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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.