Home / 3,219,135.60-4,829,286.60-1,617,668.40

Finding the Fourth Proportional to 3,219,135.60, 4,829,286.60 and 1,617,668.40

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Solution

The fourth proportional to 3,219,135.60, 4,829,286.60 and 1,617,668.40 is: 2,426,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,135.60 : 4,829,286.60 = 1,617,668.40 : x
  2. Step 2: Convert to fraction form
    3,219,135.60/4,829,286.60 = 1,617,668.40/x
  3. Step 3: Cross multiply
    3,219,135.60x = 4,829,286.60 × 1,617,668.40
  4. Step 4: Simplify right side
    3,219,135.60x = 7,812,184,327,363.44
  5. Step 5: Solve for x
    x = 7,812,184,327,363.44/3,219,135.60
  6. Step 6: Final answer
    x = 2,426,795.67

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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.