Home / 2,660,741.40-3,991,112.10-1,145,150.40

Finding the Fourth Proportional to 2,660,741.40, 3,991,112.10 and 1,145,150.40

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Solution

The fourth proportional to 2,660,741.40, 3,991,112.10 and 1,145,150.40 is: 1,717,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,741.40 : 3,991,112.10 = 1,145,150.40 : x
  2. Step 2: Convert to fraction form
    2,660,741.40/3,991,112.10 = 1,145,150.40/x
  3. Step 3: Cross multiply
    2,660,741.40x = 3,991,112.10 × 1,145,150.40
  4. Step 4: Simplify right side
    2,660,741.40x = 4,570,423,617,759.84
  5. Step 5: Solve for x
    x = 4,570,423,617,759.84/2,660,741.40
  6. Step 6: Final answer
    x = 1,717,725.60

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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.