Finding the Fourth Proportional to 5,106,628.32, 7,660,204.92 and 1,320,144
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Solution
The fourth proportional to 5,106,628.32, 7,660,204.92 and 1,320,144 is: 1,980,283.84
Step by Step Solution
- Step 1: Write the proportion equation
5,106,628.32 : 7,660,204.92 = 1,320,144 : x - Step 2: Convert to fraction form
5,106,628.32/7,660,204.92 = 1,320,144/x - Step 3: Cross multiply
5,106,628.32x = 7,660,204.92 × 1,320,144 - Step 4: Simplify right side
5,106,628.32x = 10,112,573,563,908.48 - Step 5: Solve for x
x = 10,112,573,563,908.48/5,106,628.32 - Step 6: Final answer
x = 1,980,283.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.