Home / 2,818,730.66-3,889,858.78-1,529,571.30

Finding the Fourth Proportional to 2,818,730.66, 3,889,858.78 and 1,529,571.30

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Solution

The fourth proportional to 2,818,730.66, 3,889,858.78 and 1,529,571.30 is: 2,110,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,730.66 : 3,889,858.78 = 1,529,571.30 : x
  2. Step 2: Convert to fraction form
    2,818,730.66/3,889,858.78 = 1,529,571.30/x
  3. Step 3: Cross multiply
    2,818,730.66x = 3,889,858.78 × 1,529,571.30
  4. Step 4: Simplify right side
    2,818,730.66x = 5,949,816,350,941.01
  5. Step 5: Solve for x
    x = 5,949,816,350,941.01/2,818,730.66
  6. Step 6: Final answer
    x = 2,110,814.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.