Finding the Fourth Proportional to 3,907,933.68, 5,392,885.50 and 2,189,048.88
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Solution
The fourth proportional to 3,907,933.68, 5,392,885.50 and 2,189,048.88 is: 3,020,852.18
Step by Step Solution
- Step 1: Write the proportion equation
3,907,933.68 : 5,392,885.50 = 2,189,048.88 : x - Step 2: Convert to fraction form
3,907,933.68/5,392,885.50 = 2,189,048.88/x - Step 3: Cross multiply
3,907,933.68x = 5,392,885.50 × 2,189,048.88 - Step 4: Simplify right side
3,907,933.68x = 11,805,289,963,743.24 - Step 5: Solve for x
x = 11,805,289,963,743.24/3,907,933.68 - Step 6: Final answer
x = 3,020,852.18
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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.