Finding the Fourth Proportional to 5,331,365.19, 7,349,631.80 and 3,800,815.11
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Solution
The fourth proportional to 5,331,365.19, 7,349,631.80 and 3,800,815.11 is: 5,239,669.50
Step by Step Solution
- Step 1: Write the proportion equation
5,331,365.19 : 7,349,631.80 = 3,800,815.11 : x - Step 2: Convert to fraction form
5,331,365.19/7,349,631.80 = 3,800,815.11/x - Step 3: Cross multiply
5,331,365.19x = 7,349,631.80 × 3,800,815.11 - Step 4: Simplify right side
5,331,365.19x = 27,934,591,579,372.42 - Step 5: Solve for x
x = 27,934,591,579,372.42/5,331,365.19 - Step 6: Final answer
x = 5,239,669.50
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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.