Finding the Fourth Proportional to 3,581,386.92, 5,368,703.40 and 1,782,569.88
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Solution
The fourth proportional to 3,581,386.92, 5,368,703.40 and 1,782,569.88 is: 2,672,173.99
Step by Step Solution
- Step 1: Write the proportion equation
3,581,386.92 : 5,368,703.40 = 1,782,569.88 : x - Step 2: Convert to fraction form
3,581,386.92/5,368,703.40 = 1,782,569.88/x - Step 3: Cross multiply
3,581,386.92x = 5,368,703.40 × 1,782,569.88 - Step 4: Simplify right side
3,581,386.92x = 9,570,088,975,493.59 - Step 5: Solve for x
x = 9,570,088,975,493.59/3,581,386.92 - Step 6: Final answer
x = 2,672,173.99
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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.