Home / 3,507,000.64-4,839,661.92-1,979,431.36

Finding the Fourth Proportional to 3,507,000.64, 4,839,661.92 and 1,979,431.36

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Solution

The fourth proportional to 3,507,000.64, 4,839,661.92 and 1,979,431.36 is: 2,731,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,000.64 : 4,839,661.92 = 1,979,431.36 : x
  2. Step 2: Convert to fraction form
    3,507,000.64/4,839,661.92 = 1,979,431.36/x
  3. Step 3: Cross multiply
    3,507,000.64x = 4,839,661.92 × 1,979,431.36
  4. Step 4: Simplify right side
    3,507,000.64x = 9,579,778,576,245.81
  5. Step 5: Solve for x
    x = 9,579,778,576,245.81/3,507,000.64
  6. Step 6: Final answer
    x = 2,731,615.86

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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.