Home / 1,615,346.88-2,227,666.72-1,276,624.32

Finding the Fourth Proportional to 1,615,346.88, 2,227,666.72 and 1,276,624.32

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Solution

The fourth proportional to 1,615,346.88, 2,227,666.72 and 1,276,624.32 is: 1,760,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,346.88 : 2,227,666.72 = 1,276,624.32 : x
  2. Step 2: Convert to fraction form
    1,615,346.88/2,227,666.72 = 1,276,624.32/x
  3. Step 3: Cross multiply
    1,615,346.88x = 2,227,666.72 × 1,276,624.32
  4. Step 4: Simplify right side
    1,615,346.88x = 2,843,893,511,606.63
  5. Step 5: Solve for x
    x = 2,843,893,511,606.63/1,615,346.88
  6. Step 6: Final answer
    x = 1,760,546.63

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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.