Finding the Fourth Proportional to 6,516,730.80, 9,775,047.60 and 1,967,770.80
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Solution
The fourth proportional to 6,516,730.80, 9,775,047.60 and 1,967,770.80 is: 2,951,641.52
Step by Step Solution
- Step 1: Write the proportion equation
6,516,730.80 : 9,775,047.60 = 1,967,770.80 : x - Step 2: Convert to fraction form
6,516,730.80/9,775,047.60 = 1,967,770.80/x - Step 3: Cross multiply
6,516,730.80x = 9,775,047.60 × 1,967,770.80 - Step 4: Simplify right side
6,516,730.80x = 19,235,053,235,890.08 - Step 5: Solve for x
x = 19,235,053,235,890.08/6,516,730.80 - Step 6: Final answer
x = 2,951,641.52
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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.