Finding the Fourth Proportional to 5,193,572.55, 7,791,211.76 and 1,599,340.11
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Solution
The fourth proportional to 5,193,572.55, 7,791,211.76 and 1,599,340.11 is: 2,399,272.82
Step by Step Solution
- Step 1: Write the proportion equation
5,193,572.55 : 7,791,211.76 = 1,599,340.11 : x - Step 2: Convert to fraction form
5,193,572.55/7,791,211.76 = 1,599,340.11/x - Step 3: Cross multiply
5,193,572.55x = 7,791,211.76 × 1,599,340.11 - Step 4: Simplify right side
5,193,572.55x = 12,460,797,465,274.99 - Step 5: Solve for x
x = 12,460,797,465,274.99/5,193,572.55 - Step 6: Final answer
x = 2,399,272.82
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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.