Finding the Fourth Proportional to 4,891,054.93, 6,749,866.61 and 2,715,598.19
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Solution
The fourth proportional to 4,891,054.93, 6,749,866.61 and 2,715,598.19 is: 3,747,642.55
Step by Step Solution
- Step 1: Write the proportion equation
4,891,054.93 : 6,749,866.61 = 2,715,598.19 : x - Step 2: Convert to fraction form
4,891,054.93/6,749,866.61 = 2,715,598.19/x - Step 3: Cross multiply
4,891,054.93x = 6,749,866.61 × 2,715,598.19 - Step 4: Simplify right side
4,891,054.93x = 18,329,925,548,857.44 - Step 5: Solve for x
x = 18,329,925,548,857.44/4,891,054.93 - Step 6: Final answer
x = 3,747,642.55
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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.