Finding the Fourth Proportional to 6,752,891.28, 9,319,877.52 and 3,851,617.08
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Solution
The fourth proportional to 6,752,891.28, 9,319,877.52 and 3,851,617.08 is: 5,315,737.80
Step by Step Solution
- Step 1: Write the proportion equation
6,752,891.28 : 9,319,877.52 = 3,851,617.08 : x - Step 2: Convert to fraction form
6,752,891.28/9,319,877.52 = 3,851,617.08/x - Step 3: Cross multiply
6,752,891.28x = 9,319,877.52 × 3,851,617.08 - Step 4: Simplify right side
6,752,891.28x = 35,896,599,439,540.04 - Step 5: Solve for x
x = 35,896,599,439,540.04/6,752,891.28 - Step 6: Final answer
x = 5,315,737.80
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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.