Finding the Fourth Proportional to 1,635,585.18, 2,257,173.88 and 910,386.92
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Solution
The fourth proportional to 1,635,585.18, 2,257,173.88 and 910,386.92 is: 1,256,370.87
Step by Step Solution
- Step 1: Write the proportion equation
1,635,585.18 : 2,257,173.88 = 910,386.92 : x - Step 2: Convert to fraction form
1,635,585.18/2,257,173.88 = 910,386.92/x - Step 3: Cross multiply
1,635,585.18x = 2,257,173.88 × 910,386.92 - Step 4: Simplify right side
1,635,585.18x = 2,054,901,576,517.65 - Step 5: Solve for x
x = 2,054,901,576,517.65/1,635,585.18 - Step 6: Final answer
x = 1,256,370.87
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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.