Finding the Fourth Proportional to 7,725,724.35, 11,589,648.86 and 2,867,618.07
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Solution
The fourth proportional to 7,725,724.35, 11,589,648.86 and 2,867,618.07 is: 4,301,821.42
Step by Step Solution
- Step 1: Write the proportion equation
7,725,724.35 : 11,589,648.86 = 2,867,618.07 : x - Step 2: Convert to fraction form
7,725,724.35/11,589,648.86 = 2,867,618.07/x - Step 3: Cross multiply
7,725,724.35x = 11,589,648.86 × 2,867,618.07 - Step 4: Simplify right side
7,725,724.35x = 33,234,686,481,552.81 - Step 5: Solve for x
x = 33,234,686,481,552.81/7,725,724.35 - Step 6: Final answer
x = 4,301,821.42
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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.