Home / 3,548,515.80-5,322,773.70-1,420,127.40

Finding the Fourth Proportional to 3,548,515.80, 5,322,773.70 and 1,420,127.40

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Solution

The fourth proportional to 3,548,515.80, 5,322,773.70 and 1,420,127.40 is: 2,130,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,515.80 : 5,322,773.70 = 1,420,127.40 : x
  2. Step 2: Convert to fraction form
    3,548,515.80/5,322,773.70 = 1,420,127.40/x
  3. Step 3: Cross multiply
    3,548,515.80x = 5,322,773.70 × 1,420,127.40
  4. Step 4: Simplify right side
    3,548,515.80x = 7,559,016,775,369.38
  5. Step 5: Solve for x
    x = 7,559,016,775,369.38/3,548,515.80
  6. Step 6: Final answer
    x = 2,130,191.10

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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.