Finding the Fourth Proportional to 2,031,915.13, 2,804,046.83 and 1,126,497.13
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Solution
The fourth proportional to 2,031,915.13, 2,804,046.83 and 1,126,497.13 is: 1,554,568.23
Step by Step Solution
- Step 1: Write the proportion equation
2,031,915.13 : 2,804,046.83 = 1,126,497.13 : x - Step 2: Convert to fraction form
2,031,915.13/2,804,046.83 = 1,126,497.13/x - Step 3: Cross multiply
2,031,915.13x = 2,804,046.83 × 1,126,497.13 - Step 4: Simplify right side
2,031,915.13x = 3,158,750,702,186.72 - Step 5: Solve for x
x = 3,158,750,702,186.72/2,031,915.13 - Step 6: Final answer
x = 1,554,568.23
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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.