Home / 6,439,807.20-9,659,710.80-2,900,863.20

Finding the Fourth Proportional to 6,439,807.20, 9,659,710.80 and 2,900,863.20

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Solution

The fourth proportional to 6,439,807.20, 9,659,710.80 and 2,900,863.20 is: 4,351,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,807.20 : 9,659,710.80 = 2,900,863.20 : x
  2. Step 2: Convert to fraction form
    6,439,807.20/9,659,710.80 = 2,900,863.20/x
  3. Step 3: Cross multiply
    6,439,807.20x = 9,659,710.80 × 2,900,863.20
  4. Step 4: Simplify right side
    6,439,807.20x = 28,021,499,582,362.56
  5. Step 5: Solve for x
    x = 28,021,499,582,362.56/6,439,807.20
  6. Step 6: Final answer
    x = 4,351,294.80

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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.