Home / 3,963,989.14-5,470,758.80-2,222,128.98

Finding the Fourth Proportional to 3,963,989.14, 5,470,758.80 and 2,222,128.98

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Solution

The fourth proportional to 3,963,989.14, 5,470,758.80 and 2,222,128.98 is: 3,066,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,989.14 : 5,470,758.80 = 2,222,128.98 : x
  2. Step 2: Convert to fraction form
    3,963,989.14/5,470,758.80 = 2,222,128.98/x
  3. Step 3: Cross multiply
    3,963,989.14x = 5,470,758.80 × 2,222,128.98
  4. Step 4: Simplify right side
    3,963,989.14x = 12,156,731,669,292.36
  5. Step 5: Solve for x
    x = 12,156,731,669,292.36/3,963,989.14
  6. Step 6: Final answer
    x = 3,066,792.38

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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.