Finding the Fourth Proportional to 6,753,638.40, 9,320,908.80 and 3,852,364.80
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Solution
The fourth proportional to 6,753,638.40, 9,320,908.80 and 3,852,364.80 is: 5,316,769.84
Step by Step Solution
- Step 1: Write the proportion equation
6,753,638.40 : 9,320,908.80 = 3,852,364.80 : x - Step 2: Convert to fraction form
6,753,638.40/9,320,908.80 = 3,852,364.80/x - Step 3: Cross multiply
6,753,638.40x = 9,320,908.80 × 3,852,364.80 - Step 4: Simplify right side
6,753,638.40x = 35,907,540,965,130.24 - Step 5: Solve for x
x = 35,907,540,965,130.24/6,753,638.40 - Step 6: Final answer
x = 5,316,769.84
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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.