Home / 3,980,497.96-5,488,745.70-2,689,095.88

Finding the Fourth Proportional to 3,980,497.96, 5,488,745.70 and 2,689,095.88

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Solution

The fourth proportional to 3,980,497.96, 5,488,745.70 and 2,689,095.88 is: 3,708,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,497.96 : 5,488,745.70 = 2,689,095.88 : x
  2. Step 2: Convert to fraction form
    3,980,497.96/5,488,745.70 = 2,689,095.88/x
  3. Step 3: Cross multiply
    3,980,497.96x = 5,488,745.70 × 2,689,095.88
  4. Step 4: Simplify right side
    3,980,497.96x = 14,759,763,448,237.72
  5. Step 5: Solve for x
    x = 14,759,763,448,237.72/3,980,497.96
  6. Step 6: Final answer
    x = 3,708,019.35

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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.