Finding the Fourth Proportional to 6,385,321.54, 8,811,620.76 and 3,484,733.17
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Solution
The fourth proportional to 6,385,321.54, 8,811,620.76 and 3,484,733.17 is: 4,808,864.66
Step by Step Solution
- Step 1: Write the proportion equation
6,385,321.54 : 8,811,620.76 = 3,484,733.17 : x - Step 2: Convert to fraction form
6,385,321.54/8,811,620.76 = 3,484,733.17/x - Step 3: Cross multiply
6,385,321.54x = 8,811,620.76 × 3,484,733.17 - Step 4: Simplify right side
6,385,321.54x = 30,706,147,095,418.59 - Step 5: Solve for x
x = 30,706,147,095,418.59/6,385,321.54 - Step 6: Final answer
x = 4,808,864.66
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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.