Home / 2,977,940.38-4,110,287.75-1,689,534.94

Finding the Fourth Proportional to 2,977,940.38, 4,110,287.75 and 1,689,534.94

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Solution

The fourth proportional to 2,977,940.38, 4,110,287.75 and 1,689,534.94 is: 2,331,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,940.38 : 4,110,287.75 = 1,689,534.94 : x
  2. Step 2: Convert to fraction form
    2,977,940.38/4,110,287.75 = 1,689,534.94/x
  3. Step 3: Cross multiply
    2,977,940.38x = 4,110,287.75 × 1,689,534.94
  4. Step 4: Simplify right side
    2,977,940.38x = 6,944,474,767,078.99
  5. Step 5: Solve for x
    x = 6,944,474,767,078.99/2,977,940.38
  6. Step 6: Final answer
    x = 2,331,972.40

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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.