Finding the Fourth Proportional to 1,635,113.84, 2,256,563.10 and 909,959.31
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Solution
The fourth proportional to 1,635,113.84, 2,256,563.10 and 909,959.31 is: 1,255,802.84
Step by Step Solution
- Step 1: Write the proportion equation
1,635,113.84 : 2,256,563.10 = 909,959.31 : x - Step 2: Convert to fraction form
1,635,113.84/2,256,563.10 = 909,959.31/x - Step 3: Cross multiply
1,635,113.84x = 2,256,563.10 × 909,959.31 - Step 4: Simplify right side
1,635,113.84x = 2,053,380,601,447.46 - Step 5: Solve for x
x = 2,053,380,601,447.46/1,635,113.84 - Step 6: Final answer
x = 1,255,802.84
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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.