Finding the Fourth Proportional to 6,986,154.64, 10,478,631.62 and 4,252,992.65
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Solution
The fourth proportional to 6,986,154.64, 10,478,631.62 and 4,252,992.65 is: 6,379,123.50
Step by Step Solution
- Step 1: Write the proportion equation
6,986,154.64 : 10,478,631.62 = 4,252,992.65 : x - Step 2: Convert to fraction form
6,986,154.64/10,478,631.62 = 4,252,992.65/x - Step 3: Cross multiply
6,986,154.64x = 10,478,631.62 × 4,252,992.65 - Step 4: Simplify right side
6,986,154.64x = 44,565,543,259,451.78 - Step 5: Solve for x
x = 44,565,543,259,451.78/6,986,154.64 - Step 6: Final answer
x = 6,379,123.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.