Finding the Fourth Proportional to 1,544,265.32, 2,313,139.20 and 1,239,006.77
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Solution
The fourth proportional to 1,544,265.32, 2,313,139.20 and 1,239,006.77 is: 1,855,895.54
Step by Step Solution
- Step 1: Write the proportion equation
1,544,265.32 : 2,313,139.20 = 1,239,006.77 : x - Step 2: Convert to fraction form
1,544,265.32/2,313,139.20 = 1,239,006.77/x - Step 3: Cross multiply
1,544,265.32x = 2,313,139.20 × 1,239,006.77 - Step 4: Simplify right side
1,544,265.32x = 2,865,995,117,186.69 - Step 5: Solve for x
x = 2,865,995,117,186.69/1,544,265.32 - Step 6: Final answer
x = 1,855,895.54
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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.