Finding the Fourth Proportional to 5,352,186.20, 7,386,070.12 and 2,904,818.99
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Solution
The fourth proportional to 5,352,186.20, 7,386,070.12 and 2,904,818.99 is: 4,008,679.06
Step by Step Solution
- Step 1: Write the proportion equation
5,352,186.20 : 7,386,070.12 = 2,904,818.99 : x - Step 2: Convert to fraction form
5,352,186.20/7,386,070.12 = 2,904,818.99/x - Step 3: Cross multiply
5,352,186.20x = 7,386,070.12 × 2,904,818.99 - Step 4: Simplify right side
5,352,186.20x = 21,455,196,701,855.18 - Step 5: Solve for x
x = 21,455,196,701,855.18/5,352,186.20 - Step 6: Final answer
x = 4,008,679.06
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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.