Home / 2,077,912.70-3,116,221.05-816,127.10

Finding the Fourth Proportional to 2,077,912.70, 3,116,221.05 and 816,127.10

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Solution

The fourth proportional to 2,077,912.70, 3,116,221.05 and 816,127.10 is: 1,223,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,912.70 : 3,116,221.05 = 816,127.10 : x
  2. Step 2: Convert to fraction form
    2,077,912.70/3,116,221.05 = 816,127.10/x
  3. Step 3: Cross multiply
    2,077,912.70x = 3,116,221.05 × 816,127.10
  4. Step 4: Simplify right side
    2,077,912.70x = 2,543,232,448,495.45
  5. Step 5: Solve for x
    x = 2,543,232,448,495.45/2,077,912.70
  6. Step 6: Final answer
    x = 1,223,936.14

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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.