Home / 3,111,336.30-4,293,643.23-1,680,552.30

Finding the Fourth Proportional to 3,111,336.30, 4,293,643.23 and 1,680,552.30

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Solution

The fourth proportional to 3,111,336.30, 4,293,643.23 and 1,680,552.30 is: 2,319,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,336.30 : 4,293,643.23 = 1,680,552.30 : x
  2. Step 2: Convert to fraction form
    3,111,336.30/4,293,643.23 = 1,680,552.30/x
  3. Step 3: Cross multiply
    3,111,336.30x = 4,293,643.23 × 1,680,552.30
  4. Step 4: Simplify right side
    3,111,336.30x = 7,215,692,005,555.93
  5. Step 5: Solve for x
    x = 7,215,692,005,555.93/3,111,336.30
  6. Step 6: Final answer
    x = 2,319,161.71

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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.