Home / 1,882,072.80-2,821,521.96-816,312

Finding the Fourth Proportional to 1,882,072.80, 2,821,521.96 and 816,312

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Solution

The fourth proportional to 1,882,072.80, 2,821,521.96 and 816,312 is: 1,223,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,072.80 : 2,821,521.96 = 816,312 : x
  2. Step 2: Convert to fraction form
    1,882,072.80/2,821,521.96 = 816,312/x
  3. Step 3: Cross multiply
    1,882,072.80x = 2,821,521.96 × 816,312
  4. Step 4: Simplify right side
    1,882,072.80x = 2,303,242,234,211.52
  5. Step 5: Solve for x
    x = 2,303,242,234,211.52/1,882,072.80
  6. Step 6: Final answer
    x = 1,223,779.57

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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.