Home / 3,102,565.92-4,651,085.16-1,208,876.64

Finding the Fourth Proportional to 3,102,565.92, 4,651,085.16 and 1,208,876.64

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Solution

The fourth proportional to 3,102,565.92, 4,651,085.16 and 1,208,876.64 is: 1,812,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,565.92 : 4,651,085.16 = 1,208,876.64 : x
  2. Step 2: Convert to fraction form
    3,102,565.92/4,651,085.16 = 1,208,876.64/x
  3. Step 3: Cross multiply
    3,102,565.92x = 4,651,085.16 × 1,208,876.64
  4. Step 4: Simplify right side
    3,102,565.92x = 5,622,588,200,574.66
  5. Step 5: Solve for x
    x = 5,622,588,200,574.66/3,102,565.92
  6. Step 6: Final answer
    x = 1,812,238.11

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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.