Home / 1,543,492.11-2,129,991.48-855,150.15

Finding the Fourth Proportional to 1,543,492.11, 2,129,991.48 and 855,150.15

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Solution

The fourth proportional to 1,543,492.11, 2,129,991.48 and 855,150.15 is: 1,180,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,492.11 : 2,129,991.48 = 855,150.15 : x
  2. Step 2: Convert to fraction form
    1,543,492.11/2,129,991.48 = 855,150.15/x
  3. Step 3: Cross multiply
    1,543,492.11x = 2,129,991.48 × 855,150.15
  4. Step 4: Simplify right side
    1,543,492.11x = 1,821,462,533,620.72
  5. Step 5: Solve for x
    x = 1,821,462,533,620.72/1,543,492.11
  6. Step 6: Final answer
    x = 1,180,091.90

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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.