Finding the Fourth Proportional to 4,909,831.78, 6,775,081.51 and 2,734,576.99
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Solution
The fourth proportional to 4,909,831.78, 6,775,081.51 and 2,734,576.99 is: 3,773,445.37
Step by Step Solution
- Step 1: Write the proportion equation
4,909,831.78 : 6,775,081.51 = 2,734,576.99 : x - Step 2: Convert to fraction form
4,909,831.78/6,775,081.51 = 2,734,576.99/x - Step 3: Cross multiply
4,909,831.78x = 6,775,081.51 × 2,734,576.99 - Step 4: Simplify right side
4,909,831.78x = 18,526,982,002,620.46 - Step 5: Solve for x
x = 18,526,982,002,620.46/4,909,831.78 - Step 6: Final answer
x = 3,773,445.37
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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.