Finding the Fourth Proportional to 6,972,801.30, 10,459,201.95 and 4,138,449.30
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Solution
The fourth proportional to 6,972,801.30, 10,459,201.95 and 4,138,449.30 is: 6,207,673.95
Step by Step Solution
- Step 1: Write the proportion equation
6,972,801.30 : 10,459,201.95 = 4,138,449.30 : x - Step 2: Convert to fraction form
6,972,801.30/10,459,201.95 = 4,138,449.30/x - Step 3: Cross multiply
6,972,801.30x = 10,459,201.95 × 4,138,449.30 - Step 4: Simplify right side
6,972,801.30x = 43,284,876,988,536.13 - Step 5: Solve for x
x = 43,284,876,988,536.13/6,972,801.30 - Step 6: Final answer
x = 6,207,673.95
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1.5x scale
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.