Home / 2,119,868.70-3,178,708.65-623,766.30

Finding the Fourth Proportional to 2,119,868.70, 3,178,708.65 and 623,766.30

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Solution

The fourth proportional to 2,119,868.70, 3,178,708.65 and 623,766.30 is: 935,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,868.70 : 3,178,708.65 = 623,766.30 : x
  2. Step 2: Convert to fraction form
    2,119,868.70/3,178,708.65 = 623,766.30/x
  3. Step 3: Cross multiply
    2,119,868.70x = 3,178,708.65 × 623,766.30
  4. Step 4: Simplify right side
    2,119,868.70x = 1,982,771,333,388.50
  5. Step 5: Solve for x
    x = 1,982,771,333,388.50/2,119,868.70
  6. Step 6: Final answer
    x = 935,327.43

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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.