Finding the Fourth Proportional to 5,545,864.29, 7,651,980.59 and 3,221,375.84
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Solution
The fourth proportional to 5,545,864.29, 7,651,980.59 and 3,221,375.84 is: 4,444,736.48
Step by Step Solution
- Step 1: Write the proportion equation
5,545,864.29 : 7,651,980.59 = 3,221,375.84 : x - Step 2: Convert to fraction form
5,545,864.29/7,651,980.59 = 3,221,375.84/x - Step 3: Cross multiply
5,545,864.29x = 7,651,980.59 × 3,221,375.84 - Step 4: Simplify right side
5,545,864.29x = 24,649,905,346,408.16 - Step 5: Solve for x
x = 24,649,905,346,408.16/5,545,864.29 - Step 6: Final answer
x = 4,444,736.48
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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.