Finding the Fourth Proportional to 2,153,697.41, 2,972,063.93 and 1,173,644.98
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Solution
The fourth proportional to 2,153,697.41, 2,972,063.93 and 1,173,644.98 is: 1,619,609.09
Step by Step Solution
- Step 1: Write the proportion equation
2,153,697.41 : 2,972,063.93 = 1,173,644.98 : x - Step 2: Convert to fraction form
2,153,697.41/2,972,063.93 = 1,173,644.98/x - Step 3: Cross multiply
2,153,697.41x = 2,972,063.93 × 1,173,644.98 - Step 4: Simplify right side
2,153,697.41x = 3,488,147,898,385.19 - Step 5: Solve for x
x = 3,488,147,898,385.19/2,153,697.41 - Step 6: Final answer
x = 1,619,609.09
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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.