Home / 2,617,764.87-3,926,533.10-820,607.34

Finding the Fourth Proportional to 2,617,764.87, 3,926,533.10 and 820,607.34

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Solution

The fourth proportional to 2,617,764.87, 3,926,533.10 and 820,607.34 is: 1,230,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,764.87 : 3,926,533.10 = 820,607.34 : x
  2. Step 2: Convert to fraction form
    2,617,764.87/3,926,533.10 = 820,607.34/x
  3. Step 3: Cross multiply
    2,617,764.87x = 3,926,533.10 × 820,607.34
  4. Step 4: Simplify right side
    2,617,764.87x = 3,222,141,882,612.95
  5. Step 5: Solve for x
    x = 3,222,141,882,612.95/2,617,764.87
  6. Step 6: Final answer
    x = 1,230,875.21

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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.