Finding the Fourth Proportional to 5,775,415.96, 7,970,076.42 and 3,162,089.48
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Solution
The fourth proportional to 5,775,415.96, 7,970,076.42 and 3,162,089.48 is: 4,363,684.79
Step by Step Solution
- Step 1: Write the proportion equation
5,775,415.96 : 7,970,076.42 = 3,162,089.48 : x - Step 2: Convert to fraction form
5,775,415.96/7,970,076.42 = 3,162,089.48/x - Step 3: Cross multiply
5,775,415.96x = 7,970,076.42 × 3,162,089.48 - Step 4: Simplify right side
5,775,415.96x = 25,202,094,802,478.06 - Step 5: Solve for x
x = 25,202,094,802,478.06/5,775,415.96 - Step 6: Final answer
x = 4,363,684.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.