Finding the Fourth Proportional to 2,259,712.08, 3,119,356.78 and 1,525,660.75
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Solution
The fourth proportional to 2,259,712.08, 3,119,356.78 and 1,525,660.75 is: 2,106,056.01
Step by Step Solution
- Step 1: Write the proportion equation
2,259,712.08 : 3,119,356.78 = 1,525,660.75 : x - Step 2: Convert to fraction form
2,259,712.08/3,119,356.78 = 1,525,660.75/x - Step 3: Cross multiply
2,259,712.08x = 3,119,356.78 × 1,525,660.75 - Step 4: Simplify right side
2,259,712.08x = 4,759,080,204,577.43 - Step 5: Solve for x
x = 4,759,080,204,577.43/2,259,712.08 - Step 6: Final answer
x = 2,106,056.01
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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.