Finding the Fourth Proportional to 4,985,302.49, 6,879,710.78 and 2,693,463.18
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Solution
The fourth proportional to 4,985,302.49, 6,879,710.78 and 2,693,463.18 is: 3,716,975.59
Step by Step Solution
- Step 1: Write the proportion equation
4,985,302.49 : 6,879,710.78 = 2,693,463.18 : x - Step 2: Convert to fraction form
4,985,302.49/6,879,710.78 = 2,693,463.18/x - Step 3: Cross multiply
4,985,302.49x = 6,879,710.78 × 2,693,463.18 - Step 4: Simplify right side
4,985,302.49x = 18,530,247,698,242.98 - Step 5: Solve for x
x = 18,530,247,698,242.98/4,985,302.49 - Step 6: Final answer
x = 3,716,975.59
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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.