Finding the Fourth Proportional to 6,435,118.09, 8,880,536.01 and 3,534,576.94
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Solution
The fourth proportional to 6,435,118.09, 8,880,536.01 and 3,534,576.94 is: 4,877,756.30
Step by Step Solution
- Step 1: Write the proportion equation
6,435,118.09 : 8,880,536.01 = 3,534,576.94 : x - Step 2: Convert to fraction form
6,435,118.09/8,880,536.01 = 3,534,576.94/x - Step 3: Cross multiply
6,435,118.09x = 8,880,536.01 × 3,534,576.94 - Step 4: Simplify right side
6,435,118.09x = 31,388,937,795,785.61 - Step 5: Solve for x
x = 31,388,937,795,785.61/6,435,118.09 - Step 6: Final answer
x = 4,877,756.30
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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.