Finding the Fourth Proportional to 5,115,835.17, 7,673,835.79 and 1,472,613.36
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Solution
The fourth proportional to 5,115,835.17, 7,673,835.79 and 1,472,613.36 is: 2,208,943.94
Step by Step Solution
- Step 1: Write the proportion equation
5,115,835.17 : 7,673,835.79 = 1,472,613.36 : x - Step 2: Convert to fraction form
5,115,835.17/7,673,835.79 = 1,472,613.36/x - Step 3: Cross multiply
5,115,835.17x = 7,673,835.79 × 1,472,613.36 - Step 4: Simplify right side
5,115,835.17x = 11,300,593,105,044.19 - Step 5: Solve for x
x = 11,300,593,105,044.19/5,115,835.17 - Step 6: Final answer
x = 2,208,943.94
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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.