Home / 4,142,977.74-6,210,480.67-2,122,173.34

Finding the Fourth Proportional to 4,142,977.74, 6,210,480.67 and 2,122,173.34

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Solution

The fourth proportional to 4,142,977.74, 6,210,480.67 and 2,122,173.34 is: 3,181,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142,977.74 : 6,210,480.67 = 2,122,173.34 : x
  2. Step 2: Convert to fraction form
    4,142,977.74/6,210,480.67 = 2,122,173.34/x
  3. Step 3: Cross multiply
    4,142,977.74x = 6,210,480.67 × 2,122,173.34
  4. Step 4: Simplify right side
    4,142,977.74x = 13,179,716,485,627.70
  5. Step 5: Solve for x
    x = 13,179,716,485,627.70/4,142,977.74
  6. Step 6: Final answer
    x = 3,181,218.27

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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.