Finding the Fourth Proportional to 4,811,390.33, 6,639,716.36 and 2,877,650.87
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Solution
The fourth proportional to 4,811,390.33, 6,639,716.36 and 2,877,650.87 is: 3,971,156.82
Step by Step Solution
- Step 1: Write the proportion equation
4,811,390.33 : 6,639,716.36 = 2,877,650.87 : x - Step 2: Convert to fraction form
4,811,390.33/6,639,716.36 = 2,877,650.87/x - Step 3: Cross multiply
4,811,390.33x = 6,639,716.36 × 2,877,650.87 - Step 4: Simplify right side
4,811,390.33x = 19,106,785,545,518.98 - Step 5: Solve for x
x = 19,106,785,545,518.98/4,811,390.33 - Step 6: Final answer
x = 3,971,156.82
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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.