Home / 2,337,140.40-3,503,742.30-1,215,209.40

Finding the Fourth Proportional to 2,337,140.40, 3,503,742.30 and 1,215,209.40

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Solution

The fourth proportional to 2,337,140.40, 3,503,742.30 and 1,215,209.40 is: 1,821,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337,140.40 : 3,503,742.30 = 1,215,209.40 : x
  2. Step 2: Convert to fraction form
    2,337,140.40/3,503,742.30 = 1,215,209.40/x
  3. Step 3: Cross multiply
    2,337,140.40x = 3,503,742.30 × 1,215,209.40
  4. Step 4: Simplify right side
    2,337,140.40x = 4,257,780,578,137.62
  5. Step 5: Solve for x
    x = 4,257,780,578,137.62/2,337,140.40
  6. Step 6: Final answer
    x = 1,821,790.67

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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.