Finding the Fourth Proportional to 5,412,324.29, 7,468,985.40 and 2,964,931.88
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Solution
The fourth proportional to 5,412,324.29, 7,468,985.40 and 2,964,931.88 is: 4,091,593.88
Step by Step Solution
- Step 1: Write the proportion equation
5,412,324.29 : 7,468,985.40 = 2,964,931.88 : x - Step 2: Convert to fraction form
5,412,324.29/7,468,985.40 = 2,964,931.88/x - Step 3: Cross multiply
5,412,324.29x = 7,468,985.40 × 2,964,931.88 - Step 4: Simplify right side
5,412,324.29x = 22,145,032,923,714.55 - Step 5: Solve for x
x = 22,145,032,923,714.55/5,412,324.29 - Step 6: Final answer
x = 4,091,593.88
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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.