Home / 2,590,865.16-3,889,665.45-1,992,246.69

Finding the Fourth Proportional to 2,590,865.16, 3,889,665.45 and 1,992,246.69

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Solution

The fourth proportional to 2,590,865.16, 3,889,665.45 and 1,992,246.69 is: 2,990,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,865.16 : 3,889,665.45 = 1,992,246.69 : x
  2. Step 2: Convert to fraction form
    2,590,865.16/3,889,665.45 = 1,992,246.69/x
  3. Step 3: Cross multiply
    2,590,865.16x = 3,889,665.45 × 1,992,246.69
  4. Step 4: Simplify right side
    2,590,865.16x = 7,749,173,117,969.86
  5. Step 5: Solve for x
    x = 7,749,173,117,969.86/2,590,865.16
  6. Step 6: Final answer
    x = 2,990,959.64

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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.