Home / 3,019,729.71-4,167,102.06-1,643,079.09

Finding the Fourth Proportional to 3,019,729.71, 4,167,102.06 and 1,643,079.09

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Solution

The fourth proportional to 3,019,729.71, 4,167,102.06 and 1,643,079.09 is: 2,267,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,729.71 : 4,167,102.06 = 1,643,079.09 : x
  2. Step 2: Convert to fraction form
    3,019,729.71/4,167,102.06 = 1,643,079.09/x
  3. Step 3: Cross multiply
    3,019,729.71x = 4,167,102.06 × 1,643,079.09
  4. Step 4: Simplify right side
    3,019,729.71x = 6,846,878,260,681.93
  5. Step 5: Solve for x
    x = 6,846,878,260,681.93/3,019,729.71
  6. Step 6: Final answer
    x = 2,267,381.16

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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.