Home / 2,119,111.38-3,178,667.04-623,203.38

Finding the Fourth Proportional to 2,119,111.38, 3,178,667.04 and 623,203.38

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Solution

The fourth proportional to 2,119,111.38, 3,178,667.04 and 623,203.38 is: 934,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,111.38 : 3,178,667.04 = 623,203.38 : x
  2. Step 2: Convert to fraction form
    2,119,111.38/3,178,667.04 = 623,203.38/x
  3. Step 3: Cross multiply
    2,119,111.38x = 3,178,667.04 × 623,203.38
  4. Step 4: Simplify right side
    2,119,111.38x = 1,980,956,043,222.60
  5. Step 5: Solve for x
    x = 1,980,956,043,222.60/2,119,111.38
  6. Step 6: Final answer
    x = 934,805.06

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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.