Home / 1,903,699.46-2,626,680.22-1,128,936.56

Finding the Fourth Proportional to 1,903,699.46, 2,626,680.22 and 1,128,936.56

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Solution

The fourth proportional to 1,903,699.46, 2,626,680.22 and 1,128,936.56 is: 1,557,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,699.46 : 2,626,680.22 = 1,128,936.56 : x
  2. Step 2: Convert to fraction form
    1,903,699.46/2,626,680.22 = 1,128,936.56/x
  3. Step 3: Cross multiply
    1,903,699.46x = 2,626,680.22 × 1,128,936.56
  4. Step 4: Simplify right side
    1,903,699.46x = 2,965,355,315,831.10
  5. Step 5: Solve for x
    x = 2,965,355,315,831.10/1,903,699.46
  6. Step 6: Final answer
    x = 1,557,680.39

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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.