Home / 1,533,668.47-2,116,470.89-889,470.61

Finding the Fourth Proportional to 1,533,668.47, 2,116,470.89 and 889,470.61

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Solution

The fourth proportional to 1,533,668.47, 2,116,470.89 and 889,470.61 is: 1,227,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,668.47 : 2,116,470.89 = 889,470.61 : x
  2. Step 2: Convert to fraction form
    1,533,668.47/2,116,470.89 = 889,470.61/x
  3. Step 3: Cross multiply
    1,533,668.47x = 2,116,470.89 × 889,470.61
  4. Step 4: Simplify right side
    1,533,668.47x = 1,882,538,653,575.54
  5. Step 5: Solve for x
    x = 1,882,538,653,575.54/1,533,668.47
  6. Step 6: Final answer
    x = 1,227,474.31

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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.