Home / 2,792,696.32-4,188,960.76-771,063.60

Finding the Fourth Proportional to 2,792,696.32, 4,188,960.76 and 771,063.60

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Solution

The fourth proportional to 2,792,696.32, 4,188,960.76 and 771,063.60 is: 1,156,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,696.32 : 4,188,960.76 = 771,063.60 : x
  2. Step 2: Convert to fraction form
    2,792,696.32/4,188,960.76 = 771,063.60/x
  3. Step 3: Cross multiply
    2,792,696.32x = 4,188,960.76 × 771,063.60
  4. Step 4: Simplify right side
    2,792,696.32x = 3,229,955,163,864.34
  5. Step 5: Solve for x
    x = 3,229,955,163,864.34/2,792,696.32
  6. Step 6: Final answer
    x = 1,156,572.28

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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.