Finding the Fourth Proportional to 5,214,729.88, 7,825,565.58 and 2,143,239.58
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Solution
The fourth proportional to 5,214,729.88, 7,825,565.58 and 2,143,239.58 is: 3,216,285.84
Step by Step Solution
- Step 1: Write the proportion equation
5,214,729.88 : 7,825,565.58 = 2,143,239.58 : x - Step 2: Convert to fraction form
5,214,729.88/7,825,565.58 = 2,143,239.58/x - Step 3: Cross multiply
5,214,729.88x = 7,825,565.58 × 2,143,239.58 - Step 4: Simplify right side
5,214,729.88x = 16,772,061,837,097.63 - Step 5: Solve for x
x = 16,772,061,837,097.63/5,214,729.88 - Step 6: Final answer
x = 3,216,285.84
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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.