Home / 2,119,844.34-2,925,383.09-1,214,429.94

Finding the Fourth Proportional to 2,119,844.34, 2,925,383.09 and 1,214,429.94

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Solution

The fourth proportional to 2,119,844.34, 2,925,383.09 and 1,214,429.94 is: 1,675,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,844.34 : 2,925,383.09 = 1,214,429.94 : x
  2. Step 2: Convert to fraction form
    2,119,844.34/2,925,383.09 = 1,214,429.94/x
  3. Step 3: Cross multiply
    2,119,844.34x = 2,925,383.09 × 1,214,429.94
  4. Step 4: Simplify right side
    2,119,844.34x = 3,552,672,810,465.71
  5. Step 5: Solve for x
    x = 3,552,672,810,465.71/2,119,844.34
  6. Step 6: Final answer
    x = 1,675,912.11

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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.