Finding the Fourth Proportional to 2,106,712.19, 2,906,435.63 and 1,223,511
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Solution
The fourth proportional to 2,106,712.19, 2,906,435.63 and 1,223,511 is: 1,687,964.78
Step by Step Solution
- Step 1: Write the proportion equation
2,106,712.19 : 2,906,435.63 = 1,223,511 : x - Step 2: Convert to fraction form
2,106,712.19/2,906,435.63 = 1,223,511/x - Step 3: Cross multiply
2,106,712.19x = 2,906,435.63 × 1,223,511 - Step 4: Simplify right side
2,106,712.19x = 3,556,055,964,096.93 - Step 5: Solve for x
x = 3,556,055,964,096.93/2,106,712.19 - Step 6: Final answer
x = 1,687,964.78
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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.