Home / 1,915,463.70-2,643,497.37-1,056,105.54

Finding the Fourth Proportional to 1,915,463.70, 2,643,497.37 and 1,056,105.54

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Solution

The fourth proportional to 1,915,463.70, 2,643,497.37 and 1,056,105.54 is: 1,457,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,463.70 : 2,643,497.37 = 1,056,105.54 : x
  2. Step 2: Convert to fraction form
    1,915,463.70/2,643,497.37 = 1,056,105.54/x
  3. Step 3: Cross multiply
    1,915,463.70x = 2,643,497.37 × 1,056,105.54
  4. Step 4: Simplify right side
    1,915,463.70x = 2,791,812,217,432.43
  5. Step 5: Solve for x
    x = 2,791,812,217,432.43/1,915,463.70
  6. Step 6: Final answer
    x = 1,457,512.46

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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.