Finding the Fourth Proportional to 2,031,915.62, 2,804,047.52 and 1,126,497.62
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Solution
The fourth proportional to 2,031,915.62, 2,804,047.52 and 1,126,497.62 is: 1,554,568.91
Step by Step Solution
- Step 1: Write the proportion equation
2,031,915.62 : 2,804,047.52 = 1,126,497.62 : x - Step 2: Convert to fraction form
2,031,915.62/2,804,047.52 = 1,126,497.62/x - Step 3: Cross multiply
2,031,915.62x = 2,804,047.52 × 1,126,497.62 - Step 4: Simplify right side
2,031,915.62x = 3,158,752,857,646.90 - Step 5: Solve for x
x = 3,158,752,857,646.90/2,031,915.62 - Step 6: Final answer
x = 1,554,568.91
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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.