Finding the Fourth Proportional to 5,382,566.51, 7,428,121.16 and 2,935,311.48
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Solution
The fourth proportional to 5,382,566.51, 7,428,121.16 and 2,935,311.48 is: 4,050,827.66
Step by Step Solution
- Step 1: Write the proportion equation
5,382,566.51 : 7,428,121.16 = 2,935,311.48 : x - Step 2: Convert to fraction form
5,382,566.51/7,428,121.16 = 2,935,311.48/x - Step 3: Cross multiply
5,382,566.51x = 7,428,121.16 × 2,935,311.48 - Step 4: Simplify right side
5,382,566.51x = 21,803,849,301,102.36 - Step 5: Solve for x
x = 21,803,849,301,102.36/5,382,566.51 - Step 6: Final answer
x = 4,050,827.66
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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.