Home / 1,914,110.37-2,872,491.57-761,238.79

Finding the Fourth Proportional to 1,914,110.37, 2,872,491.57 and 761,238.79

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Solution

The fourth proportional to 1,914,110.37, 2,872,491.57 and 761,238.79 is: 1,142,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,110.37 : 2,872,491.57 = 761,238.79 : x
  2. Step 2: Convert to fraction form
    1,914,110.37/2,872,491.57 = 761,238.79/x
  3. Step 3: Cross multiply
    1,914,110.37x = 2,872,491.57 × 761,238.79
  4. Step 4: Simplify right side
    1,914,110.37x = 2,186,651,999,850.77
  5. Step 5: Solve for x
    x = 2,186,651,999,850.77/1,914,110.37
  6. Step 6: Final answer
    x = 1,142,385.54

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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.