Finding the Fourth Proportional to 5,868,334.08, 8,090,859.30 and 4,193,918.28
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Solution
The fourth proportional to 5,868,334.08, 8,090,859.30 and 4,193,918.28 is: 5,782,288.85
Step by Step Solution
- Step 1: Write the proportion equation
5,868,334.08 : 8,090,859.30 = 4,193,918.28 : x - Step 2: Convert to fraction form
5,868,334.08/8,090,859.30 = 4,193,918.28/x - Step 3: Cross multiply
5,868,334.08x = 8,090,859.30 × 4,193,918.28 - Step 4: Simplify right side
5,868,334.08x = 33,932,402,719,178 - Step 5: Solve for x
x = 33,932,402,719,178/5,868,334.08 - Step 6: Final answer
x = 5,782,288.85
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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.