Finding the Fourth Proportional to 1,676,156.16, 2,313,051.08 and 912,193.36
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Solution
The fourth proportional to 1,676,156.16, 2,313,051.08 and 912,193.36 is: 1,258,802.66
Step by Step Solution
- Step 1: Write the proportion equation
1,676,156.16 : 2,313,051.08 = 912,193.36 : x - Step 2: Convert to fraction form
1,676,156.16/2,313,051.08 = 912,193.36/x - Step 3: Cross multiply
1,676,156.16x = 2,313,051.08 × 912,193.36 - Step 4: Simplify right side
1,676,156.16x = 2,109,949,836,516.83 - Step 5: Solve for x
x = 2,109,949,836,516.83/1,676,156.16 - Step 6: Final answer
x = 1,258,802.66
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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.