Finding the Fourth Proportional to 2,114,705.36, 2,918,296.24 and 1,147,835.84
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Solution
The fourth proportional to 2,114,705.36, 2,918,296.24 and 1,147,835.84 is: 1,584,015.00
Step by Step Solution
- Step 1: Write the proportion equation
2,114,705.36 : 2,918,296.24 = 1,147,835.84 : x - Step 2: Convert to fraction form
2,114,705.36/2,918,296.24 = 1,147,835.84/x - Step 3: Cross multiply
2,114,705.36x = 2,918,296.24 × 1,147,835.84 - Step 4: Simplify right side
2,114,705.36x = 3,349,725,016,009.24 - Step 5: Solve for x
x = 3,349,725,016,009.24/2,114,705.36 - Step 6: Final answer
x = 1,584,015.00
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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.