Finding the Fourth Proportional to 2,083,174.84, 2,873,623.80 and 1,211,911.66
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Solution
The fourth proportional to 2,083,174.84, 2,873,623.80 and 1,211,911.66 is: 1,671,764.71
Step by Step Solution
- Step 1: Write the proportion equation
2,083,174.84 : 2,873,623.80 = 1,211,911.66 : x - Step 2: Convert to fraction form
2,083,174.84/2,873,623.80 = 1,211,911.66/x - Step 3: Cross multiply
2,083,174.84x = 2,873,623.80 × 1,211,911.66 - Step 4: Simplify right side
2,083,174.84x = 3,482,578,187,034.12 - Step 5: Solve for x
x = 3,482,578,187,034.12/2,083,174.84 - Step 6: Final answer
x = 1,671,764.71
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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.