Finding the Fourth Proportional to 4,887,194.70, 7,331,881.96 and 1,604,695.42
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Solution
The fourth proportional to 4,887,194.70, 7,331,881.96 and 1,604,695.42 is: 2,407,400.99
Step by Step Solution
- Step 1: Write the proportion equation
4,887,194.70 : 7,331,881.96 = 1,604,695.42 : x - Step 2: Convert to fraction form
4,887,194.70/7,331,881.96 = 1,604,695.42/x - Step 3: Cross multiply
4,887,194.70x = 7,331,881.96 × 1,604,695.42 - Step 4: Simplify right side
4,887,194.70x = 11,765,437,381,431.60 - Step 5: Solve for x
x = 11,765,437,381,431.60/4,887,194.70 - Step 6: Final answer
x = 2,407,400.99
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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.