Home / 1,821,427.98-2,731,885.29-1,145,448.78

Finding the Fourth Proportional to 1,821,427.98, 2,731,885.29 and 1,145,448.78

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Solution

The fourth proportional to 1,821,427.98, 2,731,885.29 and 1,145,448.78 is: 1,718,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,427.98 : 2,731,885.29 = 1,145,448.78 : x
  2. Step 2: Convert to fraction form
    1,821,427.98/2,731,885.29 = 1,145,448.78/x
  3. Step 3: Cross multiply
    1,821,427.98x = 2,731,885.29 × 1,145,448.78
  4. Step 4: Simplify right side
    1,821,427.98x = 3,129,234,672,530.45
  5. Step 5: Solve for x
    x = 3,129,234,672,530.45/1,821,427.98
  6. Step 6: Final answer
    x = 1,718,011.75

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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.