Finding the Fourth Proportional to 6,390,946.80, 9,581,754.60 and 2,602,479.60
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Solution
The fourth proportional to 6,390,946.80, 9,581,754.60 and 2,602,479.60 is: 3,901,819.50
Step by Step Solution
- Step 1: Write the proportion equation
6,390,946.80 : 9,581,754.60 = 2,602,479.60 : x - Step 2: Convert to fraction form
6,390,946.80/9,581,754.60 = 2,602,479.60/x - Step 3: Cross multiply
6,390,946.80x = 9,581,754.60 × 2,602,479.60 - Step 4: Simplify right side
6,390,946.80x = 24,936,320,878,706.16 - Step 5: Solve for x
x = 24,936,320,878,706.16/6,390,946.80 - Step 6: Final answer
x = 3,901,819.50
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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.