Finding the Fourth Proportional to 4,637,975.84, 6,400,472.64 and 2,802,178.88
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Solution
The fourth proportional to 4,637,975.84, 6,400,472.64 and 2,802,178.88 is: 3,867,046.72
Step by Step Solution
- Step 1: Write the proportion equation
4,637,975.84 : 6,400,472.64 = 2,802,178.88 : x - Step 2: Convert to fraction form
4,637,975.84/6,400,472.64 = 2,802,178.88/x - Step 3: Cross multiply
4,637,975.84x = 6,400,472.64 × 2,802,178.88 - Step 4: Simplify right side
4,637,975.84x = 17,935,269,253,825.84 - Step 5: Solve for x
x = 17,935,269,253,825.84/4,637,975.84 - Step 6: Final answer
x = 3,867,046.72
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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.