Finding the Fourth Proportional to 1,600,154.09, 2,208,207.07 and 902,379.44
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Solution
The fourth proportional to 1,600,154.09, 2,208,207.07 and 902,379.44 is: 1,245,280.48
Step by Step Solution
- Step 1: Write the proportion equation
1,600,154.09 : 2,208,207.07 = 902,379.44 : x - Step 2: Convert to fraction form
1,600,154.09/2,208,207.07 = 902,379.44/x - Step 3: Cross multiply
1,600,154.09x = 2,208,207.07 × 902,379.44 - Step 4: Simplify right side
1,600,154.09x = 1,992,640,648,382.08 - Step 5: Solve for x
x = 1,992,640,648,382.08/1,600,154.09 - Step 6: Final answer
x = 1,245,280.48
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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.