Home / 1,900,865.81-2,850,701.83-621,181.49

Finding the Fourth Proportional to 1,900,865.81, 2,850,701.83 and 621,181.49

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Solution

The fourth proportional to 1,900,865.81, 2,850,701.83 and 621,181.49 is: 931,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,865.81 : 2,850,701.83 = 621,181.49 : x
  2. Step 2: Convert to fraction form
    1,900,865.81/2,850,701.83 = 621,181.49/x
  3. Step 3: Cross multiply
    1,900,865.81x = 2,850,701.83 × 621,181.49
  4. Step 4: Simplify right side
    1,900,865.81x = 1,770,803,194,498.66
  5. Step 5: Solve for x
    x = 1,770,803,194,498.66/1,900,865.81
  6. Step 6: Final answer
    x = 931,577.17

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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.