Home / 1,533,665.72-2,116,467.09-889,467.86

Finding the Fourth Proportional to 1,533,665.72, 2,116,467.09 and 889,467.86

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Solution

The fourth proportional to 1,533,665.72, 2,116,467.09 and 889,467.86 is: 1,227,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,665.72 : 2,116,467.09 = 889,467.86 : x
  2. Step 2: Convert to fraction form
    1,533,665.72/2,116,467.09 = 889,467.86/x
  3. Step 3: Cross multiply
    1,533,665.72x = 2,116,467.09 × 889,467.86
  4. Step 4: Simplify right side
    1,533,665.72x = 1,882,529,453,302.73
  5. Step 5: Solve for x
    x = 1,882,529,453,302.73/1,533,665.72
  6. Step 6: Final answer
    x = 1,227,470.52

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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.