Home / 2,119,122.42-3,178,683.60-623,214.42

Finding the Fourth Proportional to 2,119,122.42, 3,178,683.60 and 623,214.42

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Solution

The fourth proportional to 2,119,122.42, 3,178,683.60 and 623,214.42 is: 934,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,122.42 : 3,178,683.60 = 623,214.42 : x
  2. Step 2: Convert to fraction form
    2,119,122.42/3,178,683.60 = 623,214.42/x
  3. Step 3: Cross multiply
    2,119,122.42x = 3,178,683.60 × 623,214.42
  4. Step 4: Simplify right side
    2,119,122.42x = 1,981,001,456,137.51
  5. Step 5: Solve for x
    x = 1,981,001,456,137.51/2,119,122.42
  6. Step 6: Final answer
    x = 934,821.62

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1.5x scale

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.