Finding the Fourth Proportional to 2,877,867.11, 3,971,469.30 and 1,588,718.09
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Solution
The fourth proportional to 2,877,867.11, 3,971,469.30 and 1,588,718.09 is: 2,192,437.97
Step by Step Solution
- Step 1: Write the proportion equation
2,877,867.11 : 3,971,469.30 = 1,588,718.09 : x - Step 2: Convert to fraction form
2,877,867.11/3,971,469.30 = 1,588,718.09/x - Step 3: Cross multiply
2,877,867.11x = 3,971,469.30 × 1,588,718.09 - Step 4: Simplify right side
2,877,867.11x = 6,309,545,120,789.64 - Step 5: Solve for x
x = 6,309,545,120,789.64/2,877,867.11 - Step 6: Final answer
x = 2,192,437.97
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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.