Finding the Fourth Proportional to 4,779,123.22, 7,170,926.80 and 2,383,154.70
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Solution
The fourth proportional to 4,779,123.22, 7,170,926.80 and 2,383,154.70 is: 3,575,850.03
Step by Step Solution
- Step 1: Write the proportion equation
4,779,123.22 : 7,170,926.80 = 2,383,154.70 : x - Step 2: Convert to fraction form
4,779,123.22/7,170,926.80 = 2,383,154.70/x - Step 3: Cross multiply
4,779,123.22x = 7,170,926.80 × 2,383,154.70 - Step 4: Simplify right side
4,779,123.22x = 17,089,427,906,775.96 - Step 5: Solve for x
x = 17,089,427,906,775.96/4,779,123.22 - Step 6: Final answer
x = 3,575,850.03
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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.