Finding the Fourth Proportional to 4,839,838.28, 6,678,772.23 and 2,634,655.19
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Solution
The fourth proportional to 4,839,838.28, 6,678,772.23 and 2,634,655.19 is: 3,635,712.79
Step by Step Solution
- Step 1: Write the proportion equation
4,839,838.28 : 6,678,772.23 = 2,634,655.19 : x - Step 2: Convert to fraction form
4,839,838.28/6,678,772.23 = 2,634,655.19/x - Step 3: Cross multiply
4,839,838.28x = 6,678,772.23 × 2,634,655.19 - Step 4: Simplify right side
4,839,838.28x = 17,596,261,905,424.10 - Step 5: Solve for x
x = 17,596,261,905,424.10/4,839,838.28 - Step 6: Final answer
x = 3,635,712.79
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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.