Finding the Fourth Proportional to 2,160,764.17, 2,981,848.41 and 1,193,887.62
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Solution
The fourth proportional to 2,160,764.17, 2,981,848.41 and 1,193,887.62 is: 1,647,561.52
Step by Step Solution
- Step 1: Write the proportion equation
2,160,764.17 : 2,981,848.41 = 1,193,887.62 : x - Step 2: Convert to fraction form
2,160,764.17/2,981,848.41 = 1,193,887.62/x - Step 3: Cross multiply
2,160,764.17x = 2,981,848.41 × 1,193,887.62 - Step 4: Simplify right side
2,160,764.17x = 3,559,991,901,415.68 - Step 5: Solve for x
x = 3,559,991,901,415.68/2,160,764.17 - Step 6: Final answer
x = 1,647,561.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.