Finding the Fourth Proportional to 5,756,144.24, 7,943,489.16 and 3,177,829.28
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Solution
The fourth proportional to 5,756,144.24, 7,943,489.16 and 3,177,829.28 is: 4,385,409.99
Step by Step Solution
- Step 1: Write the proportion equation
5,756,144.24 : 7,943,489.16 = 3,177,829.28 : x - Step 2: Convert to fraction form
5,756,144.24/7,943,489.16 = 3,177,829.28/x - Step 3: Cross multiply
5,756,144.24x = 7,943,489.16 × 3,177,829.28 - Step 4: Simplify right side
5,756,144.24x = 25,243,052,438,010.61 - Step 5: Solve for x
x = 25,243,052,438,010.61/5,756,144.24 - Step 6: Final answer
x = 4,385,409.99
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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.