Home / 6,876,757.80-10,315,136.70-1,828,578.60

Finding the Fourth Proportional to 6,876,757.80, 10,315,136.70 and 1,828,578.60

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Solution

The fourth proportional to 6,876,757.80, 10,315,136.70 and 1,828,578.60 is: 2,742,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,757.80 : 10,315,136.70 = 1,828,578.60 : x
  2. Step 2: Convert to fraction form
    6,876,757.80/10,315,136.70 = 1,828,578.60/x
  3. Step 3: Cross multiply
    6,876,757.80x = 10,315,136.70 × 1,828,578.60
  4. Step 4: Simplify right side
    6,876,757.80x = 18,862,038,225,694.62
  5. Step 5: Solve for x
    x = 18,862,038,225,694.62/6,876,757.80
  6. Step 6: Final answer
    x = 2,742,867.90

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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.