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Finding the Fourth Proportional to 3,497,825.92, 4,829,228.40 and 2,854,779.88

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Solution

The fourth proportional to 3,497,825.92, 4,829,228.40 and 2,854,779.88 is: 3,941,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497,825.92 : 4,829,228.40 = 2,854,779.88 : x
  2. Step 2: Convert to fraction form
    3,497,825.92/4,829,228.40 = 2,854,779.88/x
  3. Step 3: Cross multiply
    3,497,825.92x = 4,829,228.40 × 2,854,779.88
  4. Step 4: Simplify right side
    3,497,825.92x = 13,786,384,072,244.59
  5. Step 5: Solve for x
    x = 13,786,384,072,244.59/3,497,825.92
  6. Step 6: Final answer
    x = 3,941,415.15

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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.