Home / 1,665,690.85-2,499,531.68-1,530,173.40

Finding the Fourth Proportional to 1,665,690.85, 2,499,531.68 and 1,530,173.40

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Solution

The fourth proportional to 1,665,690.85, 2,499,531.68 and 1,530,173.40 is: 2,296,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,690.85 : 2,499,531.68 = 1,530,173.40 : x
  2. Step 2: Convert to fraction form
    1,665,690.85/2,499,531.68 = 1,530,173.40/x
  3. Step 3: Cross multiply
    1,665,690.85x = 2,499,531.68 × 1,530,173.40
  4. Step 4: Simplify right side
    1,665,690.85x = 3,824,716,883,645.50
  5. Step 5: Solve for x
    x = 3,824,716,883,645.50/1,665,690.85
  6. Step 6: Final answer
    x = 2,296,174.52

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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.