Finding the Fourth Proportional to 7,951,957.44, 11,926,740.24 and 2,559,894.72
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Solution
The fourth proportional to 7,951,957.44, 11,926,740.24 and 2,559,894.72 is: 3,839,457.09
Step by Step Solution
- Step 1: Write the proportion equation
7,951,957.44 : 11,926,740.24 = 2,559,894.72 : x - Step 2: Convert to fraction form
7,951,957.44/11,926,740.24 = 2,559,894.72/x - Step 3: Cross multiply
7,951,957.44x = 11,926,740.24 × 2,559,894.72 - Step 4: Simplify right side
7,951,957.44x = 30,531,199,367,187.54 - Step 5: Solve for x
x = 30,531,199,367,187.54/7,951,957.44 - Step 6: Final answer
x = 3,839,457.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.