Finding the Fourth Proportional to 5,054,127.21, 6,975,934.83 and 2,879,951.94
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Solution
The fourth proportional to 5,054,127.21, 6,975,934.83 and 2,879,951.94 is: 3,975,039.85
Step by Step Solution
- Step 1: Write the proportion equation
5,054,127.21 : 6,975,934.83 = 2,879,951.94 : x - Step 2: Convert to fraction form
5,054,127.21/6,975,934.83 = 2,879,951.94/x - Step 3: Cross multiply
5,054,127.21x = 6,975,934.83 × 2,879,951.94 - Step 4: Simplify right side
5,054,127.21x = 20,090,357,046,972.07 - Step 5: Solve for x
x = 20,090,357,046,972.07/5,054,127.21 - Step 6: Final answer
x = 3,975,039.85
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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.