Home / 6,869,991.80-10,304,987.70-1,821,812.60

Finding the Fourth Proportional to 6,869,991.80, 10,304,987.70 and 1,821,812.60

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Solution

The fourth proportional to 6,869,991.80, 10,304,987.70 and 1,821,812.60 is: 2,732,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,991.80 : 10,304,987.70 = 1,821,812.60 : x
  2. Step 2: Convert to fraction form
    6,869,991.80/10,304,987.70 = 1,821,812.60/x
  3. Step 3: Cross multiply
    6,869,991.80x = 10,304,987.70 × 1,821,812.60
  4. Step 4: Simplify right side
    6,869,991.80x = 18,773,756,434,705.02
  5. Step 5: Solve for x
    x = 18,773,756,434,705.02/6,869,991.80
  6. Step 6: Final answer
    x = 2,732,718.90

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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.