Home / 3,001,690.64-4,142,334.12-1,643,649.68

Finding the Fourth Proportional to 3,001,690.64, 4,142,334.12 and 1,643,649.68

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Solution

The fourth proportional to 3,001,690.64, 4,142,334.12 and 1,643,649.68 is: 2,268,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001,690.64 : 4,142,334.12 = 1,643,649.68 : x
  2. Step 2: Convert to fraction form
    3,001,690.64/4,142,334.12 = 1,643,649.68/x
  3. Step 3: Cross multiply
    3,001,690.64x = 4,142,334.12 × 1,643,649.68
  4. Step 4: Simplify right side
    3,001,690.64x = 6,808,546,150,791.08
  5. Step 5: Solve for x
    x = 6,808,546,150,791.08/3,001,690.64
  6. Step 6: Final answer
    x = 2,268,237.13

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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.