Finding the Fourth Proportional to 5,676,051.60, 7,833,133.98 and 3,228,599.88
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Solution
The fourth proportional to 5,676,051.60, 7,833,133.98 and 3,228,599.88 is: 4,455,571.80
Step by Step Solution
- Step 1: Write the proportion equation
5,676,051.60 : 7,833,133.98 = 3,228,599.88 : x - Step 2: Convert to fraction form
5,676,051.60/7,833,133.98 = 3,228,599.88/x - Step 3: Cross multiply
5,676,051.60x = 7,833,133.98 × 3,228,599.88 - Step 4: Simplify right side
5,676,051.60x = 25,290,055,427,851.92 - Step 5: Solve for x
x = 25,290,055,427,851.92/5,676,051.60 - Step 6: Final answer
x = 4,455,571.80
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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.