Home / 3,840,139.60-5,760,209.40-3,653,515.60

Finding the Fourth Proportional to 3,840,139.60, 5,760,209.40 and 3,653,515.60

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Solution

The fourth proportional to 3,840,139.60, 5,760,209.40 and 3,653,515.60 is: 5,480,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,139.60 : 5,760,209.40 = 3,653,515.60 : x
  2. Step 2: Convert to fraction form
    3,840,139.60/5,760,209.40 = 3,653,515.60/x
  3. Step 3: Cross multiply
    3,840,139.60x = 5,760,209.40 × 3,653,515.60
  4. Step 4: Simplify right side
    3,840,139.60x = 21,045,014,902,166.64
  5. Step 5: Solve for x
    x = 21,045,014,902,166.64/3,840,139.60
  6. Step 6: Final answer
    x = 5,480,273.40

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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.