Finding the Fourth Proportional to 7,569,415.20, 11,357,233.20 and 2,779,399.20
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Solution
The fourth proportional to 7,569,415.20, 11,357,233.20 and 2,779,399.20 is: 4,170,240.90
Step by Step Solution
- Step 1: Write the proportion equation
7,569,415.20 : 11,357,233.20 = 2,779,399.20 : x - Step 2: Convert to fraction form
7,569,415.20/11,357,233.20 = 2,779,399.20/x - Step 3: Cross multiply
7,569,415.20x = 11,357,233.20 × 2,779,399.20 - Step 4: Simplify right side
7,569,415.20x = 31,566,284,870,293.44 - Step 5: Solve for x
x = 31,566,284,870,293.44/7,569,415.20 - Step 6: Final answer
x = 4,170,240.90
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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.