Home / 3,945,363.66-5,918,004.36-1,249,687.98

Finding the Fourth Proportional to 3,945,363.66, 5,918,004.36 and 1,249,687.98

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Solution

The fourth proportional to 3,945,363.66, 5,918,004.36 and 1,249,687.98 is: 1,874,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,363.66 : 5,918,004.36 = 1,249,687.98 : x
  2. Step 2: Convert to fraction form
    3,945,363.66/5,918,004.36 = 1,249,687.98/x
  3. Step 3: Cross multiply
    3,945,363.66x = 5,918,004.36 × 1,249,687.98
  4. Step 4: Simplify right side
    3,945,363.66x = 7,395,658,914,279.59
  5. Step 5: Solve for x
    x = 7,395,658,914,279.59/3,945,363.66
  6. Step 6: Final answer
    x = 1,874,518.94

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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.