Finding the Fourth Proportional to 4,728,972.11, 7,067,547.47 and 3,452,268.03
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Solution
The fourth proportional to 4,728,972.11, 7,067,547.47 and 3,452,268.03 is: 5,159,486.59
Step by Step Solution
- Step 1: Write the proportion equation
4,728,972.11 : 7,067,547.47 = 3,452,268.03 : x - Step 2: Convert to fraction form
4,728,972.11/7,067,547.47 = 3,452,268.03/x - Step 3: Cross multiply
4,728,972.11x = 7,067,547.47 × 3,452,268.03 - Step 4: Simplify right side
4,728,972.11x = 24,399,068,163,927.04 - Step 5: Solve for x
x = 24,399,068,163,927.04/4,728,972.11 - Step 6: Final answer
x = 5,159,486.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.