Finding the Fourth Proportional to 5,235,060.37, 7,224,819.64 and 2,912,390.45
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Solution
The fourth proportional to 5,235,060.37, 7,224,819.64 and 2,912,390.45 is: 4,019,341.56
Step by Step Solution
- Step 1: Write the proportion equation
5,235,060.37 : 7,224,819.64 = 2,912,390.45 : x - Step 2: Convert to fraction form
5,235,060.37/7,224,819.64 = 2,912,390.45/x - Step 3: Cross multiply
5,235,060.37x = 7,224,819.64 × 2,912,390.45 - Step 4: Simplify right side
5,235,060.37x = 21,041,495,679,103.36 - Step 5: Solve for x
x = 21,041,495,679,103.36/5,235,060.37 - Step 6: Final answer
x = 4,019,341.56
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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.