Home / 4,921,485.40-7,384,301.70-2,679,232.60

Finding the Fourth Proportional to 4,921,485.40, 7,384,301.70 and 2,679,232.60

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Solution

The fourth proportional to 4,921,485.40, 7,384,301.70 and 2,679,232.60 is: 4,019,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,485.40 : 7,384,301.70 = 2,679,232.60 : x
  2. Step 2: Convert to fraction form
    4,921,485.40/7,384,301.70 = 2,679,232.60/x
  3. Step 3: Cross multiply
    4,921,485.40x = 7,384,301.70 × 2,679,232.60
  4. Step 4: Simplify right side
    4,921,485.40x = 19,784,261,842,875.42
  5. Step 5: Solve for x
    x = 19,784,261,842,875.42/4,921,485.40
  6. Step 6: Final answer
    x = 4,019,977.76

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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.