Home / 2,989,381.93-4,125,477.89-1,682,718.28

Finding the Fourth Proportional to 2,989,381.93, 4,125,477.89 and 1,682,718.28

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Solution

The fourth proportional to 2,989,381.93, 4,125,477.89 and 1,682,718.28 is: 2,322,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,381.93 : 4,125,477.89 = 1,682,718.28 : x
  2. Step 2: Convert to fraction form
    2,989,381.93/4,125,477.89 = 1,682,718.28/x
  3. Step 3: Cross multiply
    2,989,381.93x = 4,125,477.89 × 1,682,718.28
  4. Step 4: Simplify right side
    2,989,381.93x = 6,942,017,080,205.38
  5. Step 5: Solve for x
    x = 6,942,017,080,205.38/2,989,381.93
  6. Step 6: Final answer
    x = 2,322,224.87

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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.