Home / 2,119,111.66-3,178,667.42-623,203.66

Finding the Fourth Proportional to 2,119,111.66, 3,178,667.42 and 623,203.66

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Solution

The fourth proportional to 2,119,111.66, 3,178,667.42 and 623,203.66 is: 934,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,111.66 : 3,178,667.42 = 623,203.66 : x
  2. Step 2: Convert to fraction form
    2,119,111.66/3,178,667.42 = 623,203.66/x
  3. Step 3: Cross multiply
    2,119,111.66x = 3,178,667.42 × 623,203.66
  4. Step 4: Simplify right side
    2,119,111.66x = 1,980,957,170,066.76
  5. Step 5: Solve for x
    x = 1,980,957,170,066.76/2,119,111.66
  6. Step 6: Final answer
    x = 934,805.47

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Double scale
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Similar ratio
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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.