Home / 2,230,033.78-3,077,446.62-1,211,438.53

Finding the Fourth Proportional to 2,230,033.78, 3,077,446.62 and 1,211,438.53

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Solution

The fourth proportional to 2,230,033.78, 3,077,446.62 and 1,211,438.53 is: 1,671,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,033.78 : 3,077,446.62 = 1,211,438.53 : x
  2. Step 2: Convert to fraction form
    2,230,033.78/3,077,446.62 = 1,211,438.53/x
  3. Step 3: Cross multiply
    2,230,033.78x = 3,077,446.62 × 1,211,438.53
  4. Step 4: Simplify right side
    2,230,033.78x = 3,728,137,411,061.63
  5. Step 5: Solve for x
    x = 3,728,137,411,061.63/2,230,033.78
  6. Step 6: Final answer
    x = 1,671,785.17

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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.