Finding the Fourth Proportional to 6,420,539.52, 9,634,120.40 and 3,009,172.68
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Solution
The fourth proportional to 6,420,539.52, 9,634,120.40 and 3,009,172.68 is: 4,515,310.88
Step by Step Solution
- Step 1: Write the proportion equation
6,420,539.52 : 9,634,120.40 = 3,009,172.68 : x - Step 2: Convert to fraction form
6,420,539.52/9,634,120.40 = 3,009,172.68/x - Step 3: Cross multiply
6,420,539.52x = 9,634,120.40 × 3,009,172.68 - Step 4: Simplify right side
6,420,539.52x = 28,990,731,946,543.15 - Step 5: Solve for x
x = 28,990,731,946,543.15/6,420,539.52 - Step 6: Final answer
x = 4,515,310.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.