Finding the Fourth Proportional to 1,347,446.80, 2,021,170.20 and 1,294,302.70
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Solution
The fourth proportional to 1,347,446.80, 2,021,170.20 and 1,294,302.70 is: 1,941,454.05
Step by Step Solution
- Step 1: Write the proportion equation
1,347,446.80 : 2,021,170.20 = 1,294,302.70 : x - Step 2: Convert to fraction form
1,347,446.80/2,021,170.20 = 1,294,302.70/x - Step 3: Cross multiply
1,347,446.80x = 2,021,170.20 × 1,294,302.70 - Step 4: Simplify right side
1,347,446.80x = 2,616,006,047,019.54 - Step 5: Solve for x
x = 2,616,006,047,019.54/1,347,446.80 - Step 6: Final answer
x = 1,941,454.05
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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.