Finding the Fourth Proportional to 6,447,576.29, 8,891,548.33 and 4,125,203.72
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Solution
The fourth proportional to 6,447,576.29, 8,891,548.33 and 4,125,203.72 is: 5,688,873.87
Step by Step Solution
- Step 1: Write the proportion equation
6,447,576.29 : 8,891,548.33 = 4,125,203.72 : x - Step 2: Convert to fraction form
6,447,576.29/8,891,548.33 = 4,125,203.72/x - Step 3: Cross multiply
6,447,576.29x = 8,891,548.33 × 4,125,203.72 - Step 4: Simplify right side
6,447,576.29x = 36,679,448,252,088.15 - Step 5: Solve for x
x = 36,679,448,252,088.15/6,447,576.29 - Step 6: Final answer
x = 5,688,873.87
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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.