Finding the Fourth Proportional to 7,164,717.24, 9,887,048.70 and 3,901,460.40
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Solution
The fourth proportional to 7,164,717.24, 9,887,048.70 and 3,901,460.40 is: 5,383,873.18
Step by Step Solution
- Step 1: Write the proportion equation
7,164,717.24 : 9,887,048.70 = 3,901,460.40 : x - Step 2: Convert to fraction form
7,164,717.24/9,887,048.70 = 3,901,460.40/x - Step 3: Cross multiply
7,164,717.24x = 9,887,048.70 × 3,901,460.40 - Step 4: Simplify right side
7,164,717.24x = 38,573,928,975,921.48 - Step 5: Solve for x
x = 38,573,928,975,921.48/7,164,717.24 - Step 6: Final answer
x = 5,383,873.18
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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.