Home / 2,290,812.40-3,433,958.70-1,280,418.40

Finding the Fourth Proportional to 2,290,812.40, 3,433,958.70 and 1,280,418.40

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Solution

The fourth proportional to 2,290,812.40, 3,433,958.70 and 1,280,418.40 is: 1,919,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,812.40 : 3,433,958.70 = 1,280,418.40 : x
  2. Step 2: Convert to fraction form
    2,290,812.40/3,433,958.70 = 1,280,418.40/x
  3. Step 3: Cross multiply
    2,290,812.40x = 3,433,958.70 × 1,280,418.40
  4. Step 4: Simplify right side
    2,290,812.40x = 4,396,903,904,320.08
  5. Step 5: Solve for x
    x = 4,396,903,904,320.08/2,290,812.40
  6. Step 6: Final answer
    x = 1,919,364.46

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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.