Finding the Fourth Proportional to 5,635,485.04, 7,776,969.36 and 3,221,088.88
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Solution
The fourth proportional to 5,635,485.04, 7,776,969.36 and 3,221,088.88 is: 4,445,102.66
Step by Step Solution
- Step 1: Write the proportion equation
5,635,485.04 : 7,776,969.36 = 3,221,088.88 : x - Step 2: Convert to fraction form
5,635,485.04/7,776,969.36 = 3,221,088.88/x - Step 3: Cross multiply
5,635,485.04x = 7,776,969.36 × 3,221,088.88 - Step 4: Simplify right side
5,635,485.04x = 25,050,309,525,596.72 - Step 5: Solve for x
x = 25,050,309,525,596.72/5,635,485.04 - Step 6: Final answer
x = 4,445,102.66
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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.