Finding the Fourth Proportional to 4,919,009.64, 6,788,243.64 and 2,743,496.88
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Solution
The fourth proportional to 4,919,009.64, 6,788,243.64 and 2,743,496.88 is: 3,786,031.46
Step by Step Solution
- Step 1: Write the proportion equation
4,919,009.64 : 6,788,243.64 = 2,743,496.88 : x - Step 2: Convert to fraction form
4,919,009.64/6,788,243.64 = 2,743,496.88/x - Step 3: Cross multiply
4,919,009.64x = 6,788,243.64 × 2,743,496.88 - Step 4: Simplify right side
4,919,009.64x = 18,623,525,247,019.84 - Step 5: Solve for x
x = 18,623,525,247,019.84/4,919,009.64 - Step 6: Final answer
x = 3,786,031.46
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1.5x scale
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.