Home / 3,084,991.40-4,627,918.06-1,287,463.30

Finding the Fourth Proportional to 3,084,991.40, 4,627,918.06 and 1,287,463.30

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Solution

The fourth proportional to 3,084,991.40, 4,627,918.06 and 1,287,463.30 is: 1,931,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,991.40 : 4,627,918.06 = 1,287,463.30 : x
  2. Step 2: Convert to fraction form
    3,084,991.40/4,627,918.06 = 1,287,463.30/x
  3. Step 3: Cross multiply
    3,084,991.40x = 4,627,918.06 × 1,287,463.30
  4. Step 4: Simplify right side
    3,084,991.40x = 5,958,274,642,868.75
  5. Step 5: Solve for x
    x = 5,958,274,642,868.75/3,084,991.40
  6. Step 6: Final answer
    x = 1,931,374.80

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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.