Home / 3,685,829.84-5,084,706.12-2,156,990.48

Finding the Fourth Proportional to 3,685,829.84, 5,084,706.12 and 2,156,990.48

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Solution

The fourth proportional to 3,685,829.84, 5,084,706.12 and 2,156,990.48 is: 2,975,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,829.84 : 5,084,706.12 = 2,156,990.48 : x
  2. Step 2: Convert to fraction form
    3,685,829.84/5,084,706.12 = 2,156,990.48/x
  3. Step 3: Cross multiply
    3,685,829.84x = 5,084,706.12 × 2,156,990.48
  4. Step 4: Simplify right side
    3,685,829.84x = 10,967,662,694,437.74
  5. Step 5: Solve for x
    x = 10,967,662,694,437.74/3,685,829.84
  6. Step 6: Final answer
    x = 2,975,629.14

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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.