Finding the Fourth Proportional to 4,815,901.90, 6,645,690.62 and 2,750,511.42
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Solution
The fourth proportional to 4,815,901.90, 6,645,690.62 and 2,750,511.42 is: 3,795,560.69
Step by Step Solution
- Step 1: Write the proportion equation
4,815,901.90 : 6,645,690.62 = 2,750,511.42 : x - Step 2: Convert to fraction form
4,815,901.90/6,645,690.62 = 2,750,511.42/x - Step 3: Cross multiply
4,815,901.90x = 6,645,690.62 × 2,750,511.42 - Step 4: Simplify right side
4,815,901.90x = 18,279,047,944,096.88 - Step 5: Solve for x
x = 18,279,047,944,096.88/4,815,901.90 - Step 6: Final answer
x = 3,795,560.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.