Home / 3,115,321-4,299,142.98-1,684,537

Finding the Fourth Proportional to 3,115,321, 4,299,142.98 and 1,684,537

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Solution

The fourth proportional to 3,115,321, 4,299,142.98 and 1,684,537 is: 2,324,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,321 : 4,299,142.98 = 1,684,537 : x
  2. Step 2: Convert to fraction form
    3,115,321/4,299,142.98 = 1,684,537/x
  3. Step 3: Cross multiply
    3,115,321x = 4,299,142.98 × 1,684,537
  4. Step 4: Simplify right side
    3,115,321x = 7,242,065,418,100.26
  5. Step 5: Solve for x
    x = 7,242,065,418,100.26/3,115,321
  6. Step 6: Final answer
    x = 2,324,661.06

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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.