Home / 2,394,237.20-3,591,417.78-688,311.59

Finding the Fourth Proportional to 2,394,237.20, 3,591,417.78 and 688,311.59

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Solution

The fourth proportional to 2,394,237.20, 3,591,417.78 and 688,311.59 is: 1,032,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394,237.20 : 3,591,417.78 = 688,311.59 : x
  2. Step 2: Convert to fraction form
    2,394,237.20/3,591,417.78 = 688,311.59/x
  3. Step 3: Cross multiply
    2,394,237.20x = 3,591,417.78 × 688,311.59
  4. Step 4: Simplify right side
    2,394,237.20x = 2,472,014,482,506.07
  5. Step 5: Solve for x
    x = 2,472,014,482,506.07/2,394,237.20
  6. Step 6: Final answer
    x = 1,032,485.20

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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.