Home / 3,116,986.80-4,673,147.40-1,698,644.40

Finding the Fourth Proportional to 3,116,986.80, 4,673,147.40 and 1,698,644.40

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Solution

The fourth proportional to 3,116,986.80, 4,673,147.40 and 1,698,644.40 is: 2,546,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,986.80 : 4,673,147.40 = 1,698,644.40 : x
  2. Step 2: Convert to fraction form
    3,116,986.80/4,673,147.40 = 1,698,644.40/x
  3. Step 3: Cross multiply
    3,116,986.80x = 4,673,147.40 × 1,698,644.40
  4. Step 4: Simplify right side
    3,116,986.80x = 7,938,015,661,384.56
  5. Step 5: Solve for x
    x = 7,938,015,661,384.56/3,116,986.80
  6. Step 6: Final answer
    x = 2,546,695.31

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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.