Finding the Fourth Proportional to 1,555,593.95, 2,147,194.10 and 902,385.05
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Solution
The fourth proportional to 1,555,593.95, 2,147,194.10 and 902,385.05 is: 1,245,566.58
Step by Step Solution
- Step 1: Write the proportion equation
1,555,593.95 : 2,147,194.10 = 902,385.05 : x - Step 2: Convert to fraction form
1,555,593.95/2,147,194.10 = 902,385.05/x - Step 3: Cross multiply
1,555,593.95x = 2,147,194.10 × 902,385.05 - Step 4: Simplify right side
1,555,593.95x = 1,937,595,846,808.20 - Step 5: Solve for x
x = 1,937,595,846,808.20/1,555,593.95 - Step 6: Final answer
x = 1,245,566.58
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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.