Home / 1,942,447.14-2,680,620.35-1,071,308.32

Finding the Fourth Proportional to 1,942,447.14, 2,680,620.35 and 1,071,308.32

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Solution

The fourth proportional to 1,942,447.14, 2,680,620.35 and 1,071,308.32 is: 1,478,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,447.14 : 2,680,620.35 = 1,071,308.32 : x
  2. Step 2: Convert to fraction form
    1,942,447.14/2,680,620.35 = 1,071,308.32/x
  3. Step 3: Cross multiply
    1,942,447.14x = 2,680,620.35 × 1,071,308.32
  4. Step 4: Simplify right side
    1,942,447.14x = 2,871,770,879,693.03
  5. Step 5: Solve for x
    x = 2,871,770,879,693.03/1,942,447.14
  6. Step 6: Final answer
    x = 1,478,429.36

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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.