Finding the Fourth Proportional to 4,279,536.56, 5,905,831.84 and 2,319,477.20
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Solution
The fourth proportional to 4,279,536.56, 5,905,831.84 and 2,319,477.20 is: 3,200,917.23
Step by Step Solution
- Step 1: Write the proportion equation
4,279,536.56 : 5,905,831.84 = 2,319,477.20 : x - Step 2: Convert to fraction form
4,279,536.56/5,905,831.84 = 2,319,477.20/x - Step 3: Cross multiply
4,279,536.56x = 5,905,831.84 × 2,319,477.20 - Step 4: Simplify right side
4,279,536.56x = 13,698,442,299,914.05 - Step 5: Solve for x
x = 13,698,442,299,914.05/4,279,536.56 - Step 6: Final answer
x = 3,200,917.23
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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.