Home / 4,211,970.88-6,317,951.36-1,372,078.40

Finding the Fourth Proportional to 4,211,970.88, 6,317,951.36 and 1,372,078.40

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Solution

The fourth proportional to 4,211,970.88, 6,317,951.36 and 1,372,078.40 is: 2,058,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211,970.88 : 6,317,951.36 = 1,372,078.40 : x
  2. Step 2: Convert to fraction form
    4,211,970.88/6,317,951.36 = 1,372,078.40/x
  3. Step 3: Cross multiply
    4,211,970.88x = 6,317,951.36 × 1,372,078.40
  4. Step 4: Simplify right side
    4,211,970.88x = 8,668,724,593,306.62
  5. Step 5: Solve for x
    x = 8,668,724,593,306.62/4,211,970.88
  6. Step 6: Final answer
    x = 2,058,115.98

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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.