Finding the Fourth Proportional to 1,635,522.71, 2,256,971.09 and 910,351.80
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Solution
The fourth proportional to 1,635,522.71, 2,256,971.09 and 910,351.80 is: 1,256,257.52
Step by Step Solution
- Step 1: Write the proportion equation
1,635,522.71 : 2,256,971.09 = 910,351.80 : x - Step 2: Convert to fraction form
1,635,522.71/2,256,971.09 = 910,351.80/x - Step 3: Cross multiply
1,635,522.71x = 2,256,971.09 × 910,351.80 - Step 4: Simplify right side
1,635,522.71x = 2,054,637,689,777.70 - Step 5: Solve for x
x = 2,054,637,689,777.70/1,635,522.71 - Step 6: Final answer
x = 1,256,257.52
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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.