Finding the Fourth Proportional to 4,285,197.06, 6,428,169.20 and 1,405,700.52
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Solution
The fourth proportional to 4,285,197.06, 6,428,169.20 and 1,405,700.52 is: 2,108,673.34
Step by Step Solution
- Step 1: Write the proportion equation
4,285,197.06 : 6,428,169.20 = 1,405,700.52 : x - Step 2: Convert to fraction form
4,285,197.06/6,428,169.20 = 1,405,700.52/x - Step 3: Cross multiply
4,285,197.06x = 6,428,169.20 × 1,405,700.52 - Step 4: Simplify right side
4,285,197.06x = 9,036,080,787,087.99 - Step 5: Solve for x
x = 9,036,080,787,087.99/4,285,197.06 - Step 6: Final answer
x = 2,108,673.34
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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.