Finding the Fourth Proportional to 1,938,706.99, 2,673,673.97 and 1,213,620.81
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Solution
The fourth proportional to 1,938,706.99, 2,673,673.97 and 1,213,620.81 is: 1,673,706.43
Step by Step Solution
- Step 1: Write the proportion equation
1,938,706.99 : 2,673,673.97 = 1,213,620.81 : x - Step 2: Convert to fraction form
1,938,706.99/2,673,673.97 = 1,213,620.81/x - Step 3: Cross multiply
1,938,706.99x = 2,673,673.97 × 1,213,620.81 - Step 4: Simplify right side
1,938,706.99x = 3,244,826,359,879.55 - Step 5: Solve for x
x = 3,244,826,359,879.55/1,938,706.99 - Step 6: Final answer
x = 1,673,706.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.