Finding the Fourth Proportional to 2,082,117.36, 2,873,329.62 and 1,211,161.05
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Solution
The fourth proportional to 2,082,117.36, 2,873,329.62 and 1,211,161.05 is: 1,671,406.71
Step by Step Solution
- Step 1: Write the proportion equation
2,082,117.36 : 2,873,329.62 = 1,211,161.05 : x - Step 2: Convert to fraction form
2,082,117.36/2,873,329.62 = 1,211,161.05/x - Step 3: Cross multiply
2,082,117.36x = 2,873,329.62 × 1,211,161.05 - Step 4: Simplify right side
2,082,117.36x = 3,480,064,919,555.30 - Step 5: Solve for x
x = 3,480,064,919,555.30/2,082,117.36 - Step 6: Final answer
x = 1,671,406.71
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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.