Home / 3,669,430.40-5,504,145.60-1,989,814.40

Finding the Fourth Proportional to 3,669,430.40, 5,504,145.60 and 1,989,814.40

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Solution

The fourth proportional to 3,669,430.40, 5,504,145.60 and 1,989,814.40 is: 2,984,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,430.40 : 5,504,145.60 = 1,989,814.40 : x
  2. Step 2: Convert to fraction form
    3,669,430.40/5,504,145.60 = 1,989,814.40/x
  3. Step 3: Cross multiply
    3,669,430.40x = 5,504,145.60 × 1,989,814.40
  4. Step 4: Simplify right side
    3,669,430.40x = 10,952,228,174,576.64
  5. Step 5: Solve for x
    x = 10,952,228,174,576.64/3,669,430.40
  6. Step 6: Final answer
    x = 2,984,721.60

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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.