Home / 2,810,207-4,215,321.48-680,287.64

Finding the Fourth Proportional to 2,810,207, 4,215,321.48 and 680,287.64

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Solution

The fourth proportional to 2,810,207, 4,215,321.48 and 680,287.64 is: 1,020,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,207 : 4,215,321.48 = 680,287.64 : x
  2. Step 2: Convert to fraction form
    2,810,207/4,215,321.48 = 680,287.64/x
  3. Step 3: Cross multiply
    2,810,207x = 4,215,321.48 × 680,287.64
  4. Step 4: Simplify right side
    2,810,207x = 2,867,631,101,470.51
  5. Step 5: Solve for x
    x = 2,867,631,101,470.51/2,810,207
  6. Step 6: Final answer
    x = 1,020,434.12

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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.