Finding the Fourth Proportional to 5,645,725.84, 8,468,754.72 and 1,385,893.92
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Solution
The fourth proportional to 5,645,725.84, 8,468,754.72 and 1,385,893.92 is: 2,078,881.62
Step by Step Solution
- Step 1: Write the proportion equation
5,645,725.84 : 8,468,754.72 = 1,385,893.92 : x - Step 2: Convert to fraction form
5,645,725.84/8,468,754.72 = 1,385,893.92/x - Step 3: Cross multiply
5,645,725.84x = 8,468,754.72 × 1,385,893.92 - Step 4: Simplify right side
5,645,725.84x = 11,736,795,676,419.30 - Step 5: Solve for x
x = 11,736,795,676,419.30/5,645,725.84 - Step 6: Final answer
x = 2,078,881.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.