Home / 1,615,061.14-2,228,883.86-889,908.64

Finding the Fourth Proportional to 1,615,061.14, 2,228,883.86 and 889,908.64

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Solution

The fourth proportional to 1,615,061.14, 2,228,883.86 and 889,908.64 is: 1,228,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,061.14 : 2,228,883.86 = 889,908.64 : x
  2. Step 2: Convert to fraction form
    1,615,061.14/2,228,883.86 = 889,908.64/x
  3. Step 3: Cross multiply
    1,615,061.14x = 2,228,883.86 × 889,908.64
  4. Step 4: Simplify right side
    1,615,061.14x = 1,983,503,001,223.11
  5. Step 5: Solve for x
    x = 1,983,503,001,223.11/1,615,061.14
  6. Step 6: Final answer
    x = 1,228,128.74

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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.