Home / 2,289,310.10-3,435,520.35-1,278,430.10

Finding the Fourth Proportional to 2,289,310.10, 3,435,520.35 and 1,278,430.10

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Solution

The fourth proportional to 2,289,310.10, 3,435,520.35 and 1,278,430.10 is: 1,918,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,310.10 : 3,435,520.35 = 1,278,430.10 : x
  2. Step 2: Convert to fraction form
    2,289,310.10/3,435,520.35 = 1,278,430.10/x
  3. Step 3: Cross multiply
    2,289,310.10x = 3,435,520.35 × 1,278,430.10
  4. Step 4: Simplify right side
    2,289,310.10x = 4,392,072,624,602.54
  5. Step 5: Solve for x
    x = 4,392,072,624,602.54/2,289,310.10
  6. Step 6: Final answer
    x = 1,918,513.63

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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.