Home / 3,122,967.30-4,686,200.55-1,325,544.90

Finding the Fourth Proportional to 3,122,967.30, 4,686,200.55 and 1,325,544.90

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Solution

The fourth proportional to 3,122,967.30, 4,686,200.55 and 1,325,544.90 is: 1,989,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,967.30 : 4,686,200.55 = 1,325,544.90 : x
  2. Step 2: Convert to fraction form
    3,122,967.30/4,686,200.55 = 1,325,544.90/x
  3. Step 3: Cross multiply
    3,122,967.30x = 4,686,200.55 × 1,325,544.90
  4. Step 4: Simplify right side
    3,122,967.30x = 6,211,769,239,429.69
  5. Step 5: Solve for x
    x = 6,211,769,239,429.69/3,122,967.30
  6. Step 6: Final answer
    x = 1,989,059.97

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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.