Finding the Fourth Proportional to 4,554,951.06, 6,285,831.48 and 2,489,975.28
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Solution
The fourth proportional to 4,554,951.06, 6,285,831.48 and 2,489,975.28 is: 3,436,165.35
Step by Step Solution
- Step 1: Write the proportion equation
4,554,951.06 : 6,285,831.48 = 2,489,975.28 : x - Step 2: Convert to fraction form
4,554,951.06/6,285,831.48 = 2,489,975.28/x - Step 3: Cross multiply
4,554,951.06x = 6,285,831.48 × 2,489,975.28 - Step 4: Simplify right side
4,554,951.06x = 15,651,564,999,445.81 - Step 5: Solve for x
x = 15,651,564,999,445.81/4,554,951.06 - Step 6: Final answer
x = 3,436,165.35
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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.