Finding the Fourth Proportional to 1,874,709.36, 2,587,085.12 and 1,015,249.68
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Solution
The fourth proportional to 1,874,709.36, 2,587,085.12 and 1,015,249.68 is: 1,401,037.09
Step by Step Solution
- Step 1: Write the proportion equation
1,874,709.36 : 2,587,085.12 = 1,015,249.68 : x - Step 2: Convert to fraction form
1,874,709.36/2,587,085.12 = 1,015,249.68/x - Step 3: Cross multiply
1,874,709.36x = 2,587,085.12 × 1,015,249.68 - Step 4: Simplify right side
1,874,709.36x = 2,626,537,340,212.76 - Step 5: Solve for x
x = 2,626,537,340,212.76/1,874,709.36 - Step 6: Final answer
x = 1,401,037.09
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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.