Finding the Fourth Proportional to 5,514,510.47, 7,609,491.34 and 3,190,939.49
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Solution
The fourth proportional to 5,514,510.47, 7,609,491.34 and 3,190,939.49 is: 4,403,188.02
Step by Step Solution
- Step 1: Write the proportion equation
5,514,510.47 : 7,609,491.34 = 3,190,939.49 : x - Step 2: Convert to fraction form
5,514,510.47/7,609,491.34 = 3,190,939.49/x - Step 3: Cross multiply
5,514,510.47x = 7,609,491.34 × 3,190,939.49 - Step 4: Simplify right side
5,514,510.47x = 24,281,426,426,665.40 - Step 5: Solve for x
x = 24,281,426,426,665.40/5,514,510.47 - Step 6: Final answer
x = 4,403,188.02
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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.