Home / 1,615,081.88-2,228,912.49-889,929.48

Finding the Fourth Proportional to 1,615,081.88, 2,228,912.49 and 889,929.48

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Solution

The fourth proportional to 1,615,081.88, 2,228,912.49 and 889,929.48 is: 1,228,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,081.88 : 2,228,912.49 = 889,929.48 : x
  2. Step 2: Convert to fraction form
    1,615,081.88/2,228,912.49 = 889,929.48/x
  3. Step 3: Cross multiply
    1,615,081.88x = 2,228,912.49 × 889,929.48
  4. Step 4: Simplify right side
    1,615,081.88x = 1,983,574,939,881.01
  5. Step 5: Solve for x
    x = 1,983,574,939,881.01/1,615,081.88
  6. Step 6: Final answer
    x = 1,228,157.51

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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.