Finding the Fourth Proportional to 4,779,112.14, 7,170,910.19 and 2,383,143.62
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Solution
The fourth proportional to 4,779,112.14, 7,170,910.19 and 2,383,143.62 is: 3,575,833.40
Step by Step Solution
- Step 1: Write the proportion equation
4,779,112.14 : 7,170,910.19 = 2,383,143.62 : x - Step 2: Convert to fraction form
4,779,112.14/7,170,910.19 = 2,383,143.62/x - Step 3: Cross multiply
4,779,112.14x = 7,170,910.19 × 2,383,143.62 - Step 4: Simplify right side
4,779,112.14x = 17,089,308,830,058.01 - Step 5: Solve for x
x = 17,089,308,830,058.01/4,779,112.14 - Step 6: Final answer
x = 3,575,833.40
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1.5x scale
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.