Finding the Fourth Proportional to 6,355,925.21, 9,538,086.87 and 2,990,394.65
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Solution
The fourth proportional to 6,355,925.21, 9,538,086.87 and 2,990,394.65 is: 4,487,567.58
Step by Step Solution
- Step 1: Write the proportion equation
6,355,925.21 : 9,538,086.87 = 2,990,394.65 : x - Step 2: Convert to fraction form
6,355,925.21/9,538,086.87 = 2,990,394.65/x - Step 3: Cross multiply
6,355,925.21x = 9,538,086.87 × 2,990,394.65 - Step 4: Simplify right side
6,355,925.21x = 28,522,643,899,592.81 - Step 5: Solve for x
x = 28,522,643,899,592.81/6,355,925.21 - Step 6: Final answer
x = 4,487,567.58
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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.