Finding the Fourth Proportional to 1,600,558.12, 2,208,636.08 and 902,800.38
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Solution
The fourth proportional to 1,600,558.12, 2,208,636.08 and 902,800.38 is: 1,245,788.86
Step by Step Solution
- Step 1: Write the proportion equation
1,600,558.12 : 2,208,636.08 = 902,800.38 : x - Step 2: Convert to fraction form
1,600,558.12/2,208,636.08 = 902,800.38/x - Step 3: Cross multiply
1,600,558.12x = 2,208,636.08 × 902,800.38 - Step 4: Simplify right side
1,600,558.12x = 1,993,957,476,748.53 - Step 5: Solve for x
x = 1,993,957,476,748.53/1,600,558.12 - Step 6: Final answer
x = 1,245,788.86
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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.