Home / 4,812,822.40-7,216,900.80-2,680,643.20

Finding the Fourth Proportional to 4,812,822.40, 7,216,900.80 and 2,680,643.20

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Solution

The fourth proportional to 4,812,822.40, 7,216,900.80 and 2,680,643.20 is: 4,019,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,822.40 : 7,216,900.80 = 2,680,643.20 : x
  2. Step 2: Convert to fraction form
    4,812,822.40/7,216,900.80 = 2,680,643.20/x
  3. Step 3: Cross multiply
    4,812,822.40x = 7,216,900.80 × 2,680,643.20
  4. Step 4: Simplify right side
    4,812,822.40x = 19,345,936,054,594.56
  5. Step 5: Solve for x
    x = 19,345,936,054,594.56/4,812,822.40
  6. Step 6: Final answer
    x = 4,019,665.48

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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.