Finding the Fourth Proportional to 4,968,933.56, 6,857,062.62 and 2,763,781.40
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Solution
The fourth proportional to 4,968,933.56, 6,857,062.62 and 2,763,781.40 is: 3,813,981.79
Step by Step Solution
- Step 1: Write the proportion equation
4,968,933.56 : 6,857,062.62 = 2,763,781.40 : x - Step 2: Convert to fraction form
4,968,933.56/6,857,062.62 = 2,763,781.40/x - Step 3: Cross multiply
4,968,933.56x = 6,857,062.62 × 2,763,781.40 - Step 4: Simplify right side
4,968,933.56x = 18,951,422,127,791.27 - Step 5: Solve for x
x = 18,951,422,127,791.27/4,968,933.56 - Step 6: Final answer
x = 3,813,981.79
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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.