Home / 2,872,215.33-4,308,716.93-1,274,743.05

Finding the Fourth Proportional to 2,872,215.33, 4,308,716.93 and 1,274,743.05

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Solution

The fourth proportional to 2,872,215.33, 4,308,716.93 and 1,274,743.05 is: 1,912,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,215.33 : 4,308,716.93 = 1,274,743.05 : x
  2. Step 2: Convert to fraction form
    2,872,215.33/4,308,716.93 = 1,274,743.05/x
  3. Step 3: Cross multiply
    2,872,215.33x = 4,308,716.93 × 1,274,743.05
  4. Step 4: Simplify right side
    2,872,215.33x = 5,492,506,954,561.12
  5. Step 5: Solve for x
    x = 5,492,506,954,561.12/2,872,215.33
  6. Step 6: Final answer
    x = 1,912,289.41

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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.