Home / 2,828,864.40-4,243,296.60-2,519,206.80

Finding the Fourth Proportional to 2,828,864.40, 4,243,296.60 and 2,519,206.80

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Solution

The fourth proportional to 2,828,864.40, 4,243,296.60 and 2,519,206.80 is: 3,778,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,864.40 : 4,243,296.60 = 2,519,206.80 : x
  2. Step 2: Convert to fraction form
    2,828,864.40/4,243,296.60 = 2,519,206.80/x
  3. Step 3: Cross multiply
    2,828,864.40x = 4,243,296.60 × 2,519,206.80
  4. Step 4: Simplify right side
    2,828,864.40x = 10,689,741,649,136.88
  5. Step 5: Solve for x
    x = 10,689,741,649,136.88/2,828,864.40
  6. Step 6: Final answer
    x = 3,778,810.20

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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.