Finding the Fourth Proportional to 2,435,831.26, 3,361,072.66 and 1,403,137.28
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Solution
The fourth proportional to 2,435,831.26, 3,361,072.66 and 1,403,137.28 is: 1,936,113.74
Step by Step Solution
- Step 1: Write the proportion equation
2,435,831.26 : 3,361,072.66 = 1,403,137.28 : x - Step 2: Convert to fraction form
2,435,831.26/3,361,072.66 = 1,403,137.28/x - Step 3: Cross multiply
2,435,831.26x = 3,361,072.66 × 1,403,137.28 - Step 4: Simplify right side
2,435,831.26x = 4,716,046,354,929.60 - Step 5: Solve for x
x = 4,716,046,354,929.60/2,435,831.26 - Step 6: Final answer
x = 1,936,113.74
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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.