Finding the Fourth Proportional to 3,588,041.80, 5,382,062.70 and 1,458,292.12
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Solution
The fourth proportional to 3,588,041.80, 5,382,062.70 and 1,458,292.12 is: 2,187,438.18
Step by Step Solution
- Step 1: Write the proportion equation
3,588,041.80 : 5,382,062.70 = 1,458,292.12 : x - Step 2: Convert to fraction form
3,588,041.80/5,382,062.70 = 1,458,292.12/x - Step 3: Cross multiply
3,588,041.80x = 5,382,062.70 × 1,458,292.12 - Step 4: Simplify right side
3,588,041.80x = 7,848,619,624,755.93 - Step 5: Solve for x
x = 7,848,619,624,755.93/3,588,041.80 - Step 6: Final answer
x = 2,187,438.18
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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.