Home / 3,868,975.36-5,801,870.32-1,680,685.12

Finding the Fourth Proportional to 3,868,975.36, 5,801,870.32 and 1,680,685.12

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Solution

The fourth proportional to 3,868,975.36, 5,801,870.32 and 1,680,685.12 is: 2,520,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,975.36 : 5,801,870.32 = 1,680,685.12 : x
  2. Step 2: Convert to fraction form
    3,868,975.36/5,801,870.32 = 1,680,685.12/x
  3. Step 3: Cross multiply
    3,868,975.36x = 5,801,870.32 × 1,680,685.12
  4. Step 4: Simplify right side
    3,868,975.36x = 9,751,117,114,993.64
  5. Step 5: Solve for x
    x = 9,751,117,114,993.64/3,868,975.36
  6. Step 6: Final answer
    x = 2,520,335.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.