Finding the Fourth Proportional to 5,104,114.70, 7,654,328.85 and 2,578,930.70
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Solution
The fourth proportional to 5,104,114.70, 7,654,328.85 and 2,578,930.70 is: 3,867,464.75
Step by Step Solution
- Step 1: Write the proportion equation
5,104,114.70 : 7,654,328.85 = 2,578,930.70 : x - Step 2: Convert to fraction form
5,104,114.70/7,654,328.85 = 2,578,930.70/x - Step 3: Cross multiply
5,104,114.70x = 7,654,328.85 × 2,578,930.70 - Step 4: Simplify right side
5,104,114.70x = 19,739,983,659,160.70 - Step 5: Solve for x
x = 19,739,983,659,160.70/5,104,114.70 - Step 6: Final answer
x = 3,867,464.75
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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.