Home / 2,929,716.39-4,042,964.69-1,622,964.30

Finding the Fourth Proportional to 2,929,716.39, 4,042,964.69 and 1,622,964.30

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Solution

The fourth proportional to 2,929,716.39, 4,042,964.69 and 1,622,964.30 is: 2,239,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,716.39 : 4,042,964.69 = 1,622,964.30 : x
  2. Step 2: Convert to fraction form
    2,929,716.39/4,042,964.69 = 1,622,964.30/x
  3. Step 3: Cross multiply
    2,929,716.39x = 4,042,964.69 × 1,622,964.30
  4. Step 4: Simplify right side
    2,929,716.39x = 6,561,587,349,915.75
  5. Step 5: Solve for x
    x = 6,561,587,349,915.75/2,929,716.39
  6. Step 6: Final answer
    x = 2,239,666.40

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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.