Home / 3,840,146.40-5,760,219.60-3,118,533.60

Finding the Fourth Proportional to 3,840,146.40, 5,760,219.60 and 3,118,533.60

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Solution

The fourth proportional to 3,840,146.40, 5,760,219.60 and 3,118,533.60 is: 4,677,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,146.40 : 5,760,219.60 = 3,118,533.60 : x
  2. Step 2: Convert to fraction form
    3,840,146.40/5,760,219.60 = 3,118,533.60/x
  3. Step 3: Cross multiply
    3,840,146.40x = 5,760,219.60 × 3,118,533.60
  4. Step 4: Simplify right side
    3,840,146.40x = 17,963,438,365,978.56
  5. Step 5: Solve for x
    x = 17,963,438,365,978.56/3,840,146.40
  6. Step 6: Final answer
    x = 4,677,800.40

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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.