Finding the Fourth Proportional to 5,109,977.07, 7,661,182.08 and 3,087,747.48
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Solution
The fourth proportional to 5,109,977.07, 7,661,182.08 and 3,087,747.48 is: 4,629,334.99
Step by Step Solution
- Step 1: Write the proportion equation
5,109,977.07 : 7,661,182.08 = 3,087,747.48 : x - Step 2: Convert to fraction form
5,109,977.07/7,661,182.08 = 3,087,747.48/x - Step 3: Cross multiply
5,109,977.07x = 7,661,182.08 × 3,087,747.48 - Step 4: Simplify right side
5,109,977.07x = 23,655,795,661,341.16 - Step 5: Solve for x
x = 23,655,795,661,341.16/5,109,977.07 - Step 6: Final answer
x = 4,629,334.99
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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.