Home / 1,694,421.10-2,541,615.45-415,034.20

Finding the Fourth Proportional to 1,694,421.10, 2,541,615.45 and 415,034.20

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Solution

The fourth proportional to 1,694,421.10, 2,541,615.45 and 415,034.20 is: 622,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,421.10 : 2,541,615.45 = 415,034.20 : x
  2. Step 2: Convert to fraction form
    1,694,421.10/2,541,615.45 = 415,034.20/x
  3. Step 3: Cross multiply
    1,694,421.10x = 2,541,615.45 × 415,034.20
  4. Step 4: Simplify right side
    1,694,421.10x = 1,054,857,334,998.39
  5. Step 5: Solve for x
    x = 1,054,857,334,998.39/1,694,421.10
  6. Step 6: Final answer
    x = 622,547.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.