Home / 1,210,812.91-1,816,221.62-1,136,826.34

Finding the Fourth Proportional to 1,210,812.91, 1,816,221.62 and 1,136,826.34

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Solution

The fourth proportional to 1,210,812.91, 1,816,221.62 and 1,136,826.34 is: 1,705,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,812.91 : 1,816,221.62 = 1,136,826.34 : x
  2. Step 2: Convert to fraction form
    1,210,812.91/1,816,221.62 = 1,136,826.34/x
  3. Step 3: Cross multiply
    1,210,812.91x = 1,816,221.62 × 1,136,826.34
  4. Step 4: Simplify right side
    1,210,812.91x = 2,064,728,585,411.23
  5. Step 5: Solve for x
    x = 2,064,728,585,411.23/1,210,812.91
  6. Step 6: Final answer
    x = 1,705,241.64

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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.