Finding the Fourth Proportional to 1,768,042.80, 2,645,843.40 and 1,618,743.60
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Solution
The fourth proportional to 1,768,042.80, 2,645,843.40 and 1,618,743.60 is: 2,422,419.90
Step by Step Solution
- Step 1: Write the proportion equation
1,768,042.80 : 2,645,843.40 = 1,618,743.60 : x - Step 2: Convert to fraction form
1,768,042.80/2,645,843.40 = 1,618,743.60/x - Step 3: Cross multiply
1,768,042.80x = 2,645,843.40 × 1,618,743.60 - Step 4: Simplify right side
1,768,042.80x = 4,282,942,070,352.24 - Step 5: Solve for x
x = 4,282,942,070,352.24/1,768,042.80 - Step 6: Final answer
x = 2,422,419.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.