Finding the Fourth Proportional to 2,208,205.40, 3,306,132.05 and 1,193,686.88
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Solution
The fourth proportional to 2,208,205.40, 3,306,132.05 and 1,193,686.88 is: 1,787,191.73
Step by Step Solution
- Step 1: Write the proportion equation
2,208,205.40 : 3,306,132.05 = 1,193,686.88 : x - Step 2: Convert to fraction form
2,208,205.40/3,306,132.05 = 1,193,686.88/x - Step 3: Cross multiply
2,208,205.40x = 3,306,132.05 × 1,193,686.88 - Step 4: Simplify right side
2,208,205.40x = 3,946,486,429,133.41 - Step 5: Solve for x
x = 3,946,486,429,133.41/2,208,205.40 - Step 6: Final answer
x = 1,787,191.73
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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.