Finding the Fourth Proportional to 4,731,154.24, 7,096,628.89 and 1,319,349.80
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Solution
The fourth proportional to 4,731,154.24, 7,096,628.89 and 1,319,349.80 is: 1,978,996.12
Step by Step Solution
- Step 1: Write the proportion equation
4,731,154.24 : 7,096,628.89 = 1,319,349.80 : x - Step 2: Convert to fraction form
4,731,154.24/7,096,628.89 = 1,319,349.80/x - Step 3: Cross multiply
4,731,154.24x = 7,096,628.89 × 1,319,349.80 - Step 4: Simplify right side
4,731,154.24x = 9,362,935,872,861.77 - Step 5: Solve for x
x = 9,362,935,872,861.77/4,731,154.24 - Step 6: Final answer
x = 1,978,996.12
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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.