Home / 5,134,655.25-7,085,797.52-2,811,505.59

Finding the Fourth Proportional to 5,134,655.25, 7,085,797.52 and 2,811,505.59

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Solution

The fourth proportional to 5,134,655.25, 7,085,797.52 and 2,811,505.59 is: 3,879,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,655.25 : 7,085,797.52 = 2,811,505.59 : x
  2. Step 2: Convert to fraction form
    5,134,655.25/7,085,797.52 = 2,811,505.59/x
  3. Step 3: Cross multiply
    5,134,655.25x = 7,085,797.52 × 2,811,505.59
  4. Step 4: Simplify right side
    5,134,655.25x = 19,921,759,323,030.61
  5. Step 5: Solve for x
    x = 19,921,759,323,030.61/5,134,655.25
  6. Step 6: Final answer
    x = 3,879,863.08

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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.