Finding the Fourth Proportional to 1,636,812.24, 2,258,871.12 and 911,660.16
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Solution
The fourth proportional to 1,636,812.24, 2,258,871.12 and 911,660.16 is: 1,258,130.14
Step by Step Solution
- Step 1: Write the proportion equation
1,636,812.24 : 2,258,871.12 = 911,660.16 : x - Step 2: Convert to fraction form
1,636,812.24/2,258,871.12 = 911,660.16/x - Step 3: Cross multiply
1,636,812.24x = 2,258,871.12 × 911,660.16 - Step 4: Simplify right side
1,636,812.24x = 2,059,322,806,678.58 - Step 5: Solve for x
x = 2,059,322,806,678.58/1,636,812.24 - Step 6: Final answer
x = 1,258,130.14
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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.