Home / 1,900,718.94-2,850,840.54-621,219.45

Finding the Fourth Proportional to 1,900,718.94, 2,850,840.54 and 621,219.45

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Solution

The fourth proportional to 1,900,718.94, 2,850,840.54 and 621,219.45 is: 931,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,718.94 : 2,850,840.54 = 621,219.45 : x
  2. Step 2: Convert to fraction form
    1,900,718.94/2,850,840.54 = 621,219.45/x
  3. Step 3: Cross multiply
    1,900,718.94x = 2,850,840.54 × 621,219.45
  4. Step 4: Simplify right side
    1,900,718.94x = 1,770,997,592,296.50
  5. Step 5: Solve for x
    x = 1,770,997,592,296.50/1,900,718.94
  6. Step 6: Final answer
    x = 931,751.43

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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.