Finding the Fourth Proportional to 2,125,216.44, 2,932,867.26 and 1,207,428.84
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Solution
The fourth proportional to 2,125,216.44, 2,932,867.26 and 1,207,428.84 is: 1,666,290.76
Step by Step Solution
- Step 1: Write the proportion equation
2,125,216.44 : 2,932,867.26 = 1,207,428.84 : x - Step 2: Convert to fraction form
2,125,216.44/2,932,867.26 = 1,207,428.84/x - Step 3: Cross multiply
2,125,216.44x = 2,932,867.26 × 1,207,428.84 - Step 4: Simplify right side
2,125,216.44x = 3,541,228,513,615.78 - Step 5: Solve for x
x = 3,541,228,513,615.78/2,125,216.44 - Step 6: Final answer
x = 1,666,290.76
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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.