Home / 3,100,526.92-4,278,776.90-1,705,143.70

Finding the Fourth Proportional to 3,100,526.92, 4,278,776.90 and 1,705,143.70

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Solution

The fourth proportional to 3,100,526.92, 4,278,776.90 and 1,705,143.70 is: 2,353,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,526.92 : 4,278,776.90 = 1,705,143.70 : x
  2. Step 2: Convert to fraction form
    3,100,526.92/4,278,776.90 = 1,705,143.70/x
  3. Step 3: Cross multiply
    3,100,526.92x = 4,278,776.90 × 1,705,143.70
  4. Step 4: Simplify right side
    3,100,526.92x = 7,295,929,474,740.53
  5. Step 5: Solve for x
    x = 7,295,929,474,740.53/3,100,526.92
  6. Step 6: Final answer
    x = 2,353,125.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.