Finding the Fourth Proportional to 4,997,807.12, 7,496,710.70 and 1,211,289.96
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Solution
The fourth proportional to 4,997,807.12, 7,496,710.70 and 1,211,289.96 is: 1,816,934.94
Step by Step Solution
- Step 1: Write the proportion equation
4,997,807.12 : 7,496,710.70 = 1,211,289.96 : x - Step 2: Convert to fraction form
4,997,807.12/7,496,710.70 = 1,211,289.96/x - Step 3: Cross multiply
4,997,807.12x = 7,496,710.70 × 1,211,289.96 - Step 4: Simplify right side
4,997,807.12x = 9,080,690,403,934.57 - Step 5: Solve for x
x = 9,080,690,403,934.57/4,997,807.12 - Step 6: Final answer
x = 1,816,934.94
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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.