Home / 3,609,284.18-4,980,813.37-1,977,678.30

Finding the Fourth Proportional to 3,609,284.18, 4,980,813.37 and 1,977,678.30

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Solution

The fourth proportional to 3,609,284.18, 4,980,813.37 and 1,977,678.30 is: 2,729,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,284.18 : 4,980,813.37 = 1,977,678.30 : x
  2. Step 2: Convert to fraction form
    3,609,284.18/4,980,813.37 = 1,977,678.30/x
  3. Step 3: Cross multiply
    3,609,284.18x = 4,980,813.37 × 1,977,678.30
  4. Step 4: Simplify right side
    3,609,284.18x = 9,850,446,510,691.03
  5. Step 5: Solve for x
    x = 9,850,446,510,691.03/3,609,284.18
  6. Step 6: Final answer
    x = 2,729,196.71

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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.