Finding the Fourth Proportional to 1,934,021.74, 2,668,950.56 and 1,074,581.99
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Solution
The fourth proportional to 1,934,021.74, 2,668,950.56 and 1,074,581.99 is: 1,482,923.46
Step by Step Solution
- Step 1: Write the proportion equation
1,934,021.74 : 2,668,950.56 = 1,074,581.99 : x - Step 2: Convert to fraction form
1,934,021.74/2,668,950.56 = 1,074,581.99/x - Step 3: Cross multiply
1,934,021.74x = 2,668,950.56 × 1,074,581.99 - Step 4: Simplify right side
1,934,021.74x = 2,868,006,212,295.00 - Step 5: Solve for x
x = 2,868,006,212,295.00/1,934,021.74 - Step 6: Final answer
x = 1,482,923.46
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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.