Finding the Fourth Proportional to 5,720,603.91, 7,891,135.41 and 3,427,436.00
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Solution
The fourth proportional to 5,720,603.91, 7,891,135.41 and 3,427,436.00 is: 4,727,885.72
Step by Step Solution
- Step 1: Write the proportion equation
5,720,603.91 : 7,891,135.41 = 3,427,436.00 : x - Step 2: Convert to fraction form
5,720,603.91/7,891,135.41 = 3,427,436.00/x - Step 3: Cross multiply
5,720,603.91x = 7,891,135.41 × 3,427,436.00 - Step 4: Simplify right side
5,720,603.91x = 27,046,361,545,653.09 - Step 5: Solve for x
x = 27,046,361,545,653.09/5,720,603.91 - Step 6: Final answer
x = 4,727,885.72
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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.