Finding the Fourth Proportional to 6,398,877.96, 8,830,482.80 and 3,498,268.97
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Solution
The fourth proportional to 6,398,877.96, 8,830,482.80 and 3,498,268.97 is: 4,827,628.24
Step by Step Solution
- Step 1: Write the proportion equation
6,398,877.96 : 8,830,482.80 = 3,498,268.97 : x - Step 2: Convert to fraction form
6,398,877.96/8,830,482.80 = 3,498,268.97/x - Step 3: Cross multiply
6,398,877.96x = 8,830,482.80 × 3,498,268.97 - Step 4: Simplify right side
6,398,877.96x = 30,891,403,969,358.72 - Step 5: Solve for x
x = 30,891,403,969,358.72/6,398,877.96 - Step 6: Final answer
x = 4,827,628.24
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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.