Finding the Fourth Proportional to 1,868,380.05, 2,802,139.95 and 731,169.21
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Solution
The fourth proportional to 1,868,380.05, 2,802,139.95 and 731,169.21 is: 1,096,585.49
Step by Step Solution
- Step 1: Write the proportion equation
1,868,380.05 : 2,802,139.95 = 731,169.21 : x - Step 2: Convert to fraction form
1,868,380.05/2,802,139.95 = 731,169.21/x - Step 3: Cross multiply
1,868,380.05x = 2,802,139.95 × 731,169.21 - Step 4: Simplify right side
1,868,380.05x = 2,048,838,453,550.94 - Step 5: Solve for x
x = 2,048,838,453,550.94/1,868,380.05 - Step 6: Final answer
x = 1,096,585.49
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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.