Home / 3,902,911.20-5,854,366.80-2,563,538.40

Finding the Fourth Proportional to 3,902,911.20, 5,854,366.80 and 2,563,538.40

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Solution

The fourth proportional to 3,902,911.20, 5,854,366.80 and 2,563,538.40 is: 3,845,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,911.20 : 5,854,366.80 = 2,563,538.40 : x
  2. Step 2: Convert to fraction form
    3,902,911.20/5,854,366.80 = 2,563,538.40/x
  3. Step 3: Cross multiply
    3,902,911.20x = 5,854,366.80 × 2,563,538.40
  4. Step 4: Simplify right side
    3,902,911.20x = 15,007,894,099,485.12
  5. Step 5: Solve for x
    x = 15,007,894,099,485.12/3,902,911.20
  6. Step 6: Final answer
    x = 3,845,307.60

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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.