Finding the Fourth Proportional to 4,173,375.60, 6,256,564.20 and 2,178,831.60
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Solution
The fourth proportional to 4,173,375.60, 6,256,564.20 and 2,178,831.60 is: 3,266,420.54
Step by Step Solution
- Step 1: Write the proportion equation
4,173,375.60 : 6,256,564.20 = 2,178,831.60 : x - Step 2: Convert to fraction form
4,173,375.60/6,256,564.20 = 2,178,831.60/x - Step 3: Cross multiply
4,173,375.60x = 6,256,564.20 × 2,178,831.60 - Step 4: Simplify right side
4,173,375.60x = 13,631,999,786,388.72 - Step 5: Solve for x
x = 13,631,999,786,388.72/4,173,375.60 - Step 6: Final answer
x = 3,266,420.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.