Finding the Fourth Proportional to 5,162,670.16, 7,124,657.94 and 2,839,660.96
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Solution
The fourth proportional to 5,162,670.16, 7,124,657.94 and 2,839,660.96 is: 3,918,827.35
Step by Step Solution
- Step 1: Write the proportion equation
5,162,670.16 : 7,124,657.94 = 2,839,660.96 : x - Step 2: Convert to fraction form
5,162,670.16/7,124,657.94 = 2,839,660.96/x - Step 3: Cross multiply
5,162,670.16x = 7,124,657.94 × 2,839,660.96 - Step 4: Simplify right side
5,162,670.16x = 20,231,613,005,572.02 - Step 5: Solve for x
x = 20,231,613,005,572.02/5,162,670.16 - Step 6: Final answer
x = 3,918,827.35
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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.