Finding the Fourth Proportional to 3,083,786.01, 4,255,675.08 and 1,688,324.36
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Solution
The fourth proportional to 3,083,786.01, 4,255,675.08 and 1,688,324.36 is: 2,329,915.20
Step by Step Solution
- Step 1: Write the proportion equation
3,083,786.01 : 4,255,675.08 = 1,688,324.36 : x - Step 2: Convert to fraction form
3,083,786.01/4,255,675.08 = 1,688,324.36/x - Step 3: Cross multiply
3,083,786.01x = 4,255,675.08 × 1,688,324.36 - Step 4: Simplify right side
3,083,786.01x = 7,184,959,884,530.57 - Step 5: Solve for x
x = 7,184,959,884,530.57/3,083,786.01 - Step 6: Final answer
x = 2,329,915.20
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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.