Home / 2,180,619.72-3,269,529.90-1,431,790.92

Finding the Fourth Proportional to 2,180,619.72, 3,269,529.90 and 1,431,790.92

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Solution

The fourth proportional to 2,180,619.72, 3,269,529.90 and 1,431,790.92 is: 2,146,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,619.72 : 3,269,529.90 = 1,431,790.92 : x
  2. Step 2: Convert to fraction form
    2,180,619.72/3,269,529.90 = 1,431,790.92/x
  3. Step 3: Cross multiply
    2,180,619.72x = 3,269,529.90 × 1,431,790.92
  4. Step 4: Simplify right side
    2,180,619.72x = 4,681,283,223,488.51
  5. Step 5: Solve for x
    x = 4,681,283,223,488.51/2,180,619.72
  6. Step 6: Final answer
    x = 2,146,767.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.