Finding the Fourth Proportional to 5,346,729.69, 7,378,877.30 and 3,054,841.17
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Solution
The fourth proportional to 5,346,729.69, 7,378,877.30 and 3,054,841.17 is: 4,215,903.82
Step by Step Solution
- Step 1: Write the proportion equation
5,346,729.69 : 7,378,877.30 = 3,054,841.17 : x - Step 2: Convert to fraction form
5,346,729.69/7,378,877.30 = 3,054,841.17/x - Step 3: Cross multiply
5,346,729.69x = 7,378,877.30 × 3,054,841.17 - Step 4: Simplify right side
5,346,729.69x = 22,541,298,149,144.23 - Step 5: Solve for x
x = 22,541,298,149,144.23/5,346,729.69 - Step 6: Final answer
x = 4,215,903.82
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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.