Finding the Fourth Proportional to 5,424,233.40, 8,138,423.70 and 5,339,215.80
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Solution
The fourth proportional to 5,424,233.40, 8,138,423.70 and 5,339,215.80 is: 8,010,864.80
Step by Step Solution
- Step 1: Write the proportion equation
5,424,233.40 : 8,138,423.70 = 5,339,215.80 : x - Step 2: Convert to fraction form
5,424,233.40/8,138,423.70 = 5,339,215.80/x - Step 3: Cross multiply
5,424,233.40x = 8,138,423.70 × 5,339,215.80 - Step 4: Simplify right side
5,424,233.40x = 43,452,800,406,134.46 - Step 5: Solve for x
x = 43,452,800,406,134.46/5,424,233.40 - Step 6: Final answer
x = 8,010,864.80
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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.