Home / 1,888,443.21-2,605,970.17-1,072,644.37

Finding the Fourth Proportional to 1,888,443.21, 2,605,970.17 and 1,072,644.37

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Solution

The fourth proportional to 1,888,443.21, 2,605,970.17 and 1,072,644.37 is: 1,480,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,443.21 : 2,605,970.17 = 1,072,644.37 : x
  2. Step 2: Convert to fraction form
    1,888,443.21/2,605,970.17 = 1,072,644.37/x
  3. Step 3: Cross multiply
    1,888,443.21x = 2,605,970.17 × 1,072,644.37
  4. Step 4: Simplify right side
    1,888,443.21x = 2,795,279,240,722.91
  5. Step 5: Solve for x
    x = 2,795,279,240,722.91/1,888,443.21
  6. Step 6: Final answer
    x = 1,480,202.96

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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.