Finding the Fourth Proportional to 2,125,101.86, 2,932,708.86 and 1,207,314.21
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Solution
The fourth proportional to 2,125,101.86, 2,932,708.86 and 1,207,314.21 is: 1,666,132.41
Step by Step Solution
- Step 1: Write the proportion equation
2,125,101.86 : 2,932,708.86 = 1,207,314.21 : x - Step 2: Convert to fraction form
2,125,101.86/2,932,708.86 = 1,207,314.21/x - Step 3: Cross multiply
2,125,101.86x = 2,932,708.86 × 1,207,314.21 - Step 4: Simplify right side
2,125,101.86x = 3,540,701,080,470.90 - Step 5: Solve for x
x = 3,540,701,080,470.90/2,125,101.86 - Step 6: Final answer
x = 1,666,132.41
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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.