Finding the Fourth Proportional to 3,828,133.26, 5,282,943.57 and 2,196,839.07
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Solution
The fourth proportional to 3,828,133.26, 5,282,943.57 and 2,196,839.07 is: 3,031,706.59
Step by Step Solution
- Step 1: Write the proportion equation
3,828,133.26 : 5,282,943.57 = 2,196,839.07 : x - Step 2: Convert to fraction form
3,828,133.26/5,282,943.57 = 2,196,839.07/x - Step 3: Cross multiply
3,828,133.26x = 5,282,943.57 × 2,196,839.07 - Step 4: Simplify right side
3,828,133.26x = 11,605,776,839,181.28 - Step 5: Solve for x
x = 11,605,776,839,181.28/3,828,133.26 - Step 6: Final answer
x = 3,031,706.59
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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.