Home / 3,122,323.89-4,308,567.44-1,898,459.52

Finding the Fourth Proportional to 3,122,323.89, 4,308,567.44 and 1,898,459.52

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Solution

The fourth proportional to 3,122,323.89, 4,308,567.44 and 1,898,459.52 is: 2,619,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,323.89 : 4,308,567.44 = 1,898,459.52 : x
  2. Step 2: Convert to fraction form
    3,122,323.89/4,308,567.44 = 1,898,459.52/x
  3. Step 3: Cross multiply
    3,122,323.89x = 4,308,567.44 × 1,898,459.52
  4. Step 4: Simplify right side
    3,122,323.89x = 8,179,640,864,537.73
  5. Step 5: Solve for x
    x = 8,179,640,864,537.73/3,122,323.89
  6. Step 6: Final answer
    x = 2,619,728.49

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1.5x scale

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.