Finding the Fourth Proportional to 5,143,346.08, 7,715,077.68 and 1,947,604.48
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Solution
The fourth proportional to 5,143,346.08, 7,715,077.68 and 1,947,604.48 is: 2,921,428.89
Step by Step Solution
- Step 1: Write the proportion equation
5,143,346.08 : 7,715,077.68 = 1,947,604.48 : x - Step 2: Convert to fraction form
5,143,346.08/7,715,077.68 = 1,947,604.48/x - Step 3: Cross multiply
5,143,346.08x = 7,715,077.68 × 1,947,604.48 - Step 4: Simplify right side
5,143,346.08x = 15,025,919,853,116.01 - Step 5: Solve for x
x = 15,025,919,853,116.01/5,143,346.08 - Step 6: Final answer
x = 2,921,428.89
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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.