Home / 3,111,817.80-4,292,457.93-2,422,398.39

Finding the Fourth Proportional to 3,111,817.80, 4,292,457.93 and 2,422,398.39

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Solution

The fourth proportional to 3,111,817.80, 4,292,457.93 and 2,422,398.39 is: 3,341,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,817.80 : 4,292,457.93 = 2,422,398.39 : x
  2. Step 2: Convert to fraction form
    3,111,817.80/4,292,457.93 = 2,422,398.39/x
  3. Step 3: Cross multiply
    3,111,817.80x = 4,292,457.93 × 2,422,398.39
  4. Step 4: Simplify right side
    3,111,817.80x = 10,398,043,178,774.73
  5. Step 5: Solve for x
    x = 10,398,043,178,774.73/3,111,817.80
  6. Step 6: Final answer
    x = 3,341,469.15

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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.