Home / 1,909,863-2,864,185.88-630,231.98

Finding the Fourth Proportional to 1,909,863, 2,864,185.88 and 630,231.98

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Solution

The fourth proportional to 1,909,863, 2,864,185.88 and 630,231.98 is: 945,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,863 : 2,864,185.88 = 630,231.98 : x
  2. Step 2: Convert to fraction form
    1,909,863/2,864,185.88 = 630,231.98/x
  3. Step 3: Cross multiply
    1,909,863x = 2,864,185.88 × 630,231.98
  4. Step 4: Simplify right side
    1,909,863x = 1,805,101,520,768.35
  5. Step 5: Solve for x
    x = 1,805,101,520,768.35/1,909,863
  6. Step 6: Final answer
    x = 945,147.12

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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.