Home / 3,115,881.40-4,673,361.30-872,246.20

Finding the Fourth Proportional to 3,115,881.40, 4,673,361.30 and 872,246.20

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Solution

The fourth proportional to 3,115,881.40, 4,673,361.30 and 872,246.20 is: 1,308,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,881.40 : 4,673,361.30 = 872,246.20 : x
  2. Step 2: Convert to fraction form
    3,115,881.40/4,673,361.30 = 872,246.20/x
  3. Step 3: Cross multiply
    3,115,881.40x = 4,673,361.30 × 872,246.20
  4. Step 4: Simplify right side
    3,115,881.40x = 4,076,321,635,152.06
  5. Step 5: Solve for x
    x = 4,076,321,635,152.06/3,115,881.40
  6. Step 6: Final answer
    x = 1,308,240.31

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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.