Finding the Fourth Proportional to 5,305,815.55, 7,960,405.56 and 1,894,029.02
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Solution
The fourth proportional to 5,305,815.55, 7,960,405.56 and 1,894,029.02 is: 2,841,644.05
Step by Step Solution
- Step 1: Write the proportion equation
5,305,815.55 : 7,960,405.56 = 1,894,029.02 : x - Step 2: Convert to fraction form
5,305,815.55/7,960,405.56 = 1,894,029.02/x - Step 3: Cross multiply
5,305,815.55x = 7,960,405.56 × 1,894,029.02 - Step 4: Simplify right side
5,305,815.55x = 15,077,239,179,987.43 - Step 5: Solve for x
x = 15,077,239,179,987.43/5,305,815.55 - Step 6: Final answer
x = 2,841,644.05
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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.