Finding the Fourth Proportional to 6,696,165.16, 9,240,813.06 and 3,640,391.08
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Solution
The fourth proportional to 6,696,165.16, 9,240,813.06 and 3,640,391.08 is: 5,023,796.85
Step by Step Solution
- Step 1: Write the proportion equation
6,696,165.16 : 9,240,813.06 = 3,640,391.08 : x - Step 2: Convert to fraction form
6,696,165.16/9,240,813.06 = 3,640,391.08/x - Step 3: Cross multiply
6,696,165.16x = 9,240,813.06 × 3,640,391.08 - Step 4: Simplify right side
6,696,165.16x = 33,640,173,435,571.51 - Step 5: Solve for x
x = 33,640,173,435,571.51/6,696,165.16 - Step 6: Final answer
x = 5,023,796.85
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1.5x scale
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.