Finding the Fourth Proportional to 1,897,559.36, 2,619,486.92 and 1,210,153.68
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Solution
The fourth proportional to 1,897,559.36, 2,619,486.92 and 1,210,153.68 is: 1,670,557.35
Step by Step Solution
- Step 1: Write the proportion equation
1,897,559.36 : 2,619,486.92 = 1,210,153.68 : x - Step 2: Convert to fraction form
1,897,559.36/2,619,486.92 = 1,210,153.68/x - Step 3: Cross multiply
1,897,559.36x = 2,619,486.92 × 1,210,153.68 - Step 4: Simplify right side
1,897,559.36x = 3,169,981,735,949.87 - Step 5: Solve for x
x = 3,169,981,735,949.87/1,897,559.36 - Step 6: Final answer
x = 1,670,557.35
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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.