Home / 3,507,187.44-4,839,399.72-2,129,814.84

Finding the Fourth Proportional to 3,507,187.44, 4,839,399.72 and 2,129,814.84

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Solution

The fourth proportional to 3,507,187.44, 4,839,399.72 and 2,129,814.84 is: 2,938,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,187.44 : 4,839,399.72 = 2,129,814.84 : x
  2. Step 2: Convert to fraction form
    3,507,187.44/4,839,399.72 = 2,129,814.84/x
  3. Step 3: Cross multiply
    3,507,187.44x = 4,839,399.72 × 2,129,814.84
  4. Step 4: Simplify right side
    3,507,187.44x = 10,307,025,340,347.84
  5. Step 5: Solve for x
    x = 10,307,025,340,347.84/3,507,187.44
  6. Step 6: Final answer
    x = 2,938,829.34

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Double scale
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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.