Home / 2,167,182.95-2,992,722.81-1,622,372.90

Finding the Fourth Proportional to 2,167,182.95, 2,992,722.81 and 1,622,372.90

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Solution

The fourth proportional to 2,167,182.95, 2,992,722.81 and 1,622,372.90 is: 2,240,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,182.95 : 2,992,722.81 = 1,622,372.90 : x
  2. Step 2: Convert to fraction form
    2,167,182.95/2,992,722.81 = 1,622,372.90/x
  3. Step 3: Cross multiply
    2,167,182.95x = 2,992,722.81 × 1,622,372.90
  4. Step 4: Simplify right side
    2,167,182.95x = 4,855,312,384,155.85
  5. Step 5: Solve for x
    x = 4,855,312,384,155.85/2,167,182.95
  6. Step 6: Final answer
    x = 2,240,379.56

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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.