Finding the Fourth Proportional to 1,823,120.82, 2,515,926.06 and 1,007,304.21
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Solution
The fourth proportional to 1,823,120.82, 2,515,926.06 and 1,007,304.21 is: 1,390,090.49
Step by Step Solution
- Step 1: Write the proportion equation
1,823,120.82 : 2,515,926.06 = 1,007,304.21 : x - Step 2: Convert to fraction form
1,823,120.82/2,515,926.06 = 1,007,304.21/x - Step 3: Cross multiply
1,823,120.82x = 2,515,926.06 × 1,007,304.21 - Step 4: Simplify right side
1,823,120.82x = 2,534,302,912,286.71 - Step 5: Solve for x
x = 2,534,302,912,286.71/1,823,120.82 - Step 6: Final answer
x = 1,390,090.49
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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.