Home / 3,534,455.20-5,304,447.60-1,641,431.20

Finding the Fourth Proportional to 3,534,455.20, 5,304,447.60 and 1,641,431.20

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Solution

The fourth proportional to 3,534,455.20, 5,304,447.60 and 1,641,431.20 is: 2,463,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534,455.20 : 5,304,447.60 = 1,641,431.20 : x
  2. Step 2: Convert to fraction form
    3,534,455.20/5,304,447.60 = 1,641,431.20/x
  3. Step 3: Cross multiply
    3,534,455.20x = 5,304,447.60 × 1,641,431.20
  4. Step 4: Simplify right side
    3,534,455.20x = 8,706,885,789,405.12
  5. Step 5: Solve for x
    x = 8,706,885,789,405.12/3,534,455.20
  6. Step 6: Final answer
    x = 2,463,430.80

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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.