Finding the Fourth Proportional to 7,151,262.19, 9,868,421.97 and 4,053,741.19
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Solution
The fourth proportional to 7,151,262.19, 9,868,421.97 and 4,053,741.19 is: 5,593,981.53
Step by Step Solution
- Step 1: Write the proportion equation
7,151,262.19 : 9,868,421.97 = 4,053,741.19 : x - Step 2: Convert to fraction form
7,151,262.19/9,868,421.97 = 4,053,741.19/x - Step 3: Cross multiply
7,151,262.19x = 9,868,421.97 × 4,053,741.19 - Step 4: Simplify right side
7,151,262.19x = 40,004,028,595,418.89 - Step 5: Solve for x
x = 40,004,028,595,418.89/7,151,262.19 - Step 6: Final answer
x = 5,593,981.53
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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.