Home / 1,661,187.60-2,490,226.20-1,301,158.80

Finding the Fourth Proportional to 1,661,187.60, 2,490,226.20 and 1,301,158.80

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Solution

The fourth proportional to 1,661,187.60, 2,490,226.20 and 1,301,158.80 is: 1,950,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,187.60 : 2,490,226.20 = 1,301,158.80 : x
  2. Step 2: Convert to fraction form
    1,661,187.60/2,490,226.20 = 1,301,158.80/x
  3. Step 3: Cross multiply
    1,661,187.60x = 2,490,226.20 × 1,301,158.80
  4. Step 4: Simplify right side
    1,661,187.60x = 3,240,179,734,120.56
  5. Step 5: Solve for x
    x = 3,240,179,734,120.56/1,661,187.60
  6. Step 6: Final answer
    x = 1,950,520.06

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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.