Finding the Fourth Proportional to 6,722,743.85, 10,081,141.46 and 1,929,320.99
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Solution
The fourth proportional to 6,722,743.85, 10,081,141.46 and 1,929,320.99 is: 2,893,127.90
Step by Step Solution
- Step 1: Write the proportion equation
6,722,743.85 : 10,081,141.46 = 1,929,320.99 : x - Step 2: Convert to fraction form
6,722,743.85/10,081,141.46 = 1,929,320.99/x - Step 3: Cross multiply
6,722,743.85x = 10,081,141.46 × 1,929,320.99 - Step 4: Simplify right side
6,722,743.85x = 19,449,757,812,290.64 - Step 5: Solve for x
x = 19,449,757,812,290.64/6,722,743.85 - Step 6: Final answer
x = 2,893,127.90
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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.