Finding the Fourth Proportional to 7,381,989.56, 11,071,998.84 and 2,194,501.79
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Solution
The fourth proportional to 7,381,989.56, 11,071,998.84 and 2,194,501.79 is: 3,291,459.72
Step by Step Solution
- Step 1: Write the proportion equation
7,381,989.56 : 11,071,998.84 = 2,194,501.79 : x - Step 2: Convert to fraction form
7,381,989.56/11,071,998.84 = 2,194,501.79/x - Step 3: Cross multiply
7,381,989.56x = 11,071,998.84 × 2,194,501.79 - Step 4: Simplify right side
7,381,989.56x = 24,297,521,300,937.92 - Step 5: Solve for x
x = 24,297,521,300,937.92/7,381,989.56 - Step 6: Final answer
x = 3,291,459.72
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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.