Home / 1,821,027.90-2,513,157.64-1,005,388.68

Finding the Fourth Proportional to 1,821,027.90, 2,513,157.64 and 1,005,388.68

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Solution

The fourth proportional to 1,821,027.90, 2,513,157.64 and 1,005,388.68 is: 1,387,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,027.90 : 2,513,157.64 = 1,005,388.68 : x
  2. Step 2: Convert to fraction form
    1,821,027.90/2,513,157.64 = 1,005,388.68/x
  3. Step 3: Cross multiply
    1,821,027.90x = 2,513,157.64 × 1,005,388.68
  4. Step 4: Simplify right side
    1,821,027.90x = 2,526,700,242,311.52
  5. Step 5: Solve for x
    x = 2,526,700,242,311.52/1,821,027.90
  6. Step 6: Final answer
    x = 1,387,513.20

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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.