Home / 2,792,771.89-4,188,844.14-771,303.18

Finding the Fourth Proportional to 2,792,771.89, 4,188,844.14 and 771,303.18

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Solution

The fourth proportional to 2,792,771.89, 4,188,844.14 and 771,303.18 is: 1,156,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,771.89 : 4,188,844.14 = 771,303.18 : x
  2. Step 2: Convert to fraction form
    2,792,771.89/4,188,844.14 = 771,303.18/x
  3. Step 3: Cross multiply
    2,792,771.89x = 4,188,844.14 × 771,303.18
  4. Step 4: Simplify right side
    2,792,771.89x = 3,230,868,805,706.37
  5. Step 5: Solve for x
    x = 3,230,868,805,706.37/2,792,771.89
  6. Step 6: Final answer
    x = 1,156,868.13

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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.