Finding the Fourth Proportional to 2,649,682.80, 3,974,740.20 and 1,133,377.20
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Solution
The fourth proportional to 2,649,682.80, 3,974,740.20 and 1,133,377.20 is: 1,700,158.19
Step by Step Solution
- Step 1: Write the proportion equation
2,649,682.80 : 3,974,740.20 = 1,133,377.20 : x - Step 2: Convert to fraction form
2,649,682.80/3,974,740.20 = 1,133,377.20/x - Step 3: Cross multiply
2,649,682.80x = 3,974,740.20 × 1,133,377.20 - Step 4: Simplify right side
2,649,682.80x = 4,504,879,918,603.44 - Step 5: Solve for x
x = 4,504,879,918,603.44/2,649,682.80 - Step 6: Final answer
x = 1,700,158.19
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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.