Home / 2,977,942.56-4,110,290.64-1,689,537.12

Finding the Fourth Proportional to 2,977,942.56, 4,110,290.64 and 1,689,537.12

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Solution

The fourth proportional to 2,977,942.56, 4,110,290.64 and 1,689,537.12 is: 2,331,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,942.56 : 4,110,290.64 = 1,689,537.12 : x
  2. Step 2: Convert to fraction form
    2,977,942.56/4,110,290.64 = 1,689,537.12/x
  3. Step 3: Cross multiply
    2,977,942.56x = 4,110,290.64 × 1,689,537.12
  4. Step 4: Simplify right side
    2,977,942.56x = 6,944,488,610,268.56
  5. Step 5: Solve for x
    x = 6,944,488,610,268.56/2,977,942.56
  6. Step 6: Final answer
    x = 2,331,975.34

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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.