Home / 2,025,785.10-2,795,370.08-1,209,875.54

Finding the Fourth Proportional to 2,025,785.10, 2,795,370.08 and 1,209,875.54

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Solution

The fourth proportional to 2,025,785.10, 2,795,370.08 and 1,209,875.54 is: 1,669,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025,785.10 : 2,795,370.08 = 1,209,875.54 : x
  2. Step 2: Convert to fraction form
    2,025,785.10/2,795,370.08 = 1,209,875.54/x
  3. Step 3: Cross multiply
    2,025,785.10x = 2,795,370.08 × 1,209,875.54
  4. Step 4: Simplify right side
    2,025,785.10x = 3,382,049,885,039.84
  5. Step 5: Solve for x
    x = 3,382,049,885,039.84/2,025,785.10
  6. Step 6: Final answer
    x = 1,669,500.82

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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.