Home / 2,185,126.68-3,015,487.46-1,218,317.16

Finding the Fourth Proportional to 2,185,126.68, 3,015,487.46 and 1,218,317.16

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Solution

The fourth proportional to 2,185,126.68, 3,015,487.46 and 1,218,317.16 is: 1,681,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,126.68 : 3,015,487.46 = 1,218,317.16 : x
  2. Step 2: Convert to fraction form
    2,185,126.68/3,015,487.46 = 1,218,317.16/x
  3. Step 3: Cross multiply
    2,185,126.68x = 3,015,487.46 × 1,218,317.16
  4. Step 4: Simplify right side
    2,185,126.68x = 3,673,820,118,282.81
  5. Step 5: Solve for x
    x = 3,673,820,118,282.81/2,185,126.68
  6. Step 6: Final answer
    x = 1,681,284.73

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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.