Finding the Fourth Proportional to 7,579,418.68, 11,372,713.49 and 3,934,211.32
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Solution
The fourth proportional to 7,579,418.68, 11,372,713.49 and 3,934,211.32 is: 5,903,178.07
Step by Step Solution
- Step 1: Write the proportion equation
7,579,418.68 : 11,372,713.49 = 3,934,211.32 : x - Step 2: Convert to fraction form
7,579,418.68/11,372,713.49 = 3,934,211.32/x - Step 3: Cross multiply
7,579,418.68x = 11,372,713.49 × 3,934,211.32 - Step 4: Simplify right side
7,579,418.68x = 44,742,658,151,474.70 - Step 5: Solve for x
x = 44,742,658,151,474.70/7,579,418.68 - Step 6: Final answer
x = 5,903,178.07
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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.