Finding the Fourth Proportional to 1,615,079.09, 2,228,908.41 and 889,926.62
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Solution
The fourth proportional to 1,615,079.09, 2,228,908.41 and 889,926.62 is: 1,228,153.42
Step by Step Solution
- Step 1: Write the proportion equation
1,615,079.09 : 2,228,908.41 = 889,926.62 : x - Step 2: Convert to fraction form
1,615,079.09/2,228,908.41 = 889,926.62/x - Step 3: Cross multiply
1,615,079.09x = 2,228,908.41 × 889,926.62 - Step 4: Simplify right side
1,615,079.09x = 1,983,564,916,456.33 - Step 5: Solve for x
x = 1,983,564,916,456.33/1,615,079.09 - Step 6: Final answer
x = 1,228,153.42
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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.