Finding the Fourth Proportional to 2,194,911.80, 3,292,367.70 and 1,295,430.20
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Solution
The fourth proportional to 2,194,911.80, 3,292,367.70 and 1,295,430.20 is: 1,943,145.30
Step by Step Solution
- Step 1: Write the proportion equation
2,194,911.80 : 3,292,367.70 = 1,295,430.20 : x - Step 2: Convert to fraction form
2,194,911.80/3,292,367.70 = 1,295,430.20/x - Step 3: Cross multiply
2,194,911.80x = 3,292,367.70 × 1,295,430.20 - Step 4: Simplify right side
2,194,911.80x = 4,265,032,548,084.54 - Step 5: Solve for x
x = 4,265,032,548,084.54/2,194,911.80 - Step 6: Final answer
x = 1,943,145.30
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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.