Finding the Fourth Proportional to 2,687,349.29, 4,030,998.84 and 1,089,532.55
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Solution
The fourth proportional to 2,687,349.29, 4,030,998.84 and 1,089,532.55 is: 1,634,288.65
Step by Step Solution
- Step 1: Write the proportion equation
2,687,349.29 : 4,030,998.84 = 1,089,532.55 : x - Step 2: Convert to fraction form
2,687,349.29/4,030,998.84 = 1,089,532.55/x - Step 3: Cross multiply
2,687,349.29x = 4,030,998.84 × 1,089,532.55 - Step 4: Simplify right side
2,687,349.29x = 4,391,904,425,037.25 - Step 5: Solve for x
x = 4,391,904,425,037.25/2,687,349.29 - Step 6: Final answer
x = 1,634,288.65
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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.