Finding the Fourth Proportional to 1,701,638.40, 2,551,843.20 and 859,910.40
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Solution
The fourth proportional to 1,701,638.40, 2,551,843.20 and 859,910.40 is: 1,289,555.12
Step by Step Solution
- Step 1: Write the proportion equation
1,701,638.40 : 2,551,843.20 = 859,910.40 : x - Step 2: Convert to fraction form
1,701,638.40/2,551,843.20 = 859,910.40/x - Step 3: Cross multiply
1,701,638.40x = 2,551,843.20 × 859,910.40 - Step 4: Simplify right side
1,701,638.40x = 2,194,356,506,849.28 - Step 5: Solve for x
x = 2,194,356,506,849.28/1,701,638.40 - Step 6: Final answer
x = 1,289,555.12
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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.