Finding the Fourth Proportional to 7,720,231.96, 10,655,197.14 and 4,283,580.16
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Solution
The fourth proportional to 7,720,231.96, 10,655,197.14 and 4,283,580.16 is: 5,912,049.19
Step by Step Solution
- Step 1: Write the proportion equation
7,720,231.96 : 10,655,197.14 = 4,283,580.16 : x - Step 2: Convert to fraction form
7,720,231.96/10,655,197.14 = 4,283,580.16/x - Step 3: Cross multiply
7,720,231.96x = 10,655,197.14 × 4,283,580.16 - Step 4: Simplify right side
7,720,231.96x = 45,642,391,069,792.75 - Step 5: Solve for x
x = 45,642,391,069,792.75/7,720,231.96 - Step 6: Final answer
x = 5,912,049.19
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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.