Finding the Fourth Proportional to 4,481,068.84, 6,721,592.98 and 1,920,623.54
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Solution
The fourth proportional to 4,481,068.84, 6,721,592.98 and 1,920,623.54 is: 2,880,930.90
Step by Step Solution
- Step 1: Write the proportion equation
4,481,068.84 : 6,721,592.98 = 1,920,623.54 : x - Step 2: Convert to fraction form
4,481,068.84/6,721,592.98 = 1,920,623.54/x - Step 3: Cross multiply
4,481,068.84x = 6,721,592.98 × 1,920,623.54 - Step 4: Simplify right side
4,481,068.84x = 12,909,649,703,686.75 - Step 5: Solve for x
x = 12,909,649,703,686.75/4,481,068.84 - Step 6: Final answer
x = 2,880,930.90
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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.