Home / 3,477,628.70-5,216,380.78-1,427,844.16

Finding the Fourth Proportional to 3,477,628.70, 5,216,380.78 and 1,427,844.16

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Solution

The fourth proportional to 3,477,628.70, 5,216,380.78 and 1,427,844.16 is: 2,141,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,628.70 : 5,216,380.78 = 1,427,844.16 : x
  2. Step 2: Convert to fraction form
    3,477,628.70/5,216,380.78 = 1,427,844.16/x
  3. Step 3: Cross multiply
    3,477,628.70x = 5,216,380.78 × 1,427,844.16
  4. Step 4: Simplify right side
    3,477,628.70x = 7,448,178,833,059.25
  5. Step 5: Solve for x
    x = 7,448,178,833,059.25/3,477,628.70
  6. Step 6: Final answer
    x = 2,141,740.67

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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.