Finding the Fourth Proportional to 1,676,348.76, 2,313,361.08 and 912,407.88
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Solution
The fourth proportional to 1,676,348.76, 2,313,361.08 and 912,407.88 is: 1,259,122.76
Step by Step Solution
- Step 1: Write the proportion equation
1,676,348.76 : 2,313,361.08 = 912,407.88 : x - Step 2: Convert to fraction form
1,676,348.76/2,313,361.08 = 912,407.88/x - Step 3: Cross multiply
1,676,348.76x = 2,313,361.08 × 912,407.88 - Step 4: Simplify right side
1,676,348.76x = 2,110,728,878,677.31 - Step 5: Solve for x
x = 2,110,728,878,677.31/1,676,348.76 - Step 6: Final answer
x = 1,259,122.76
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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.