Home / 2,119,176.83-3,178,765.85-623,268.83

Finding the Fourth Proportional to 2,119,176.83, 3,178,765.85 and 623,268.83

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Solution

The fourth proportional to 2,119,176.83, 3,178,765.85 and 623,268.83 is: 934,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,176.83 : 3,178,765.85 = 623,268.83 : x
  2. Step 2: Convert to fraction form
    2,119,176.83/3,178,765.85 = 623,268.83/x
  3. Step 3: Cross multiply
    2,119,176.83x = 3,178,765.85 × 623,268.83
  4. Step 4: Simplify right side
    2,119,176.83x = 1,981,225,672,173.46
  5. Step 5: Solve for x
    x = 1,981,225,672,173.46/2,119,176.83
  6. Step 6: Final answer
    x = 934,903.42

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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.