Home / 1,615,081.34-2,228,911.52-889,928.87

Finding the Fourth Proportional to 1,615,081.34, 2,228,911.52 and 889,928.87

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Solution

The fourth proportional to 1,615,081.34, 2,228,911.52 and 889,928.87 is: 1,228,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,081.34 : 2,228,911.52 = 889,928.87 : x
  2. Step 2: Convert to fraction form
    1,615,081.34/2,228,911.52 = 889,928.87/x
  3. Step 3: Cross multiply
    1,615,081.34x = 2,228,911.52 × 889,928.87
  4. Step 4: Simplify right side
    1,615,081.34x = 1,983,572,694,729.38
  5. Step 5: Solve for x
    x = 1,983,572,694,729.38/1,615,081.34
  6. Step 6: Final answer
    x = 1,228,156.53

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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.