Finding the Fourth Proportional to 5,614,103.75, 8,421,461.90 and 1,775,639.49
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Solution
The fourth proportional to 5,614,103.75, 8,421,461.90 and 1,775,639.49 is: 2,663,556.11
Step by Step Solution
- Step 1: Write the proportion equation
5,614,103.75 : 8,421,461.90 = 1,775,639.49 : x - Step 2: Convert to fraction form
5,614,103.75/8,421,461.90 = 1,775,639.49/x - Step 3: Cross multiply
5,614,103.75x = 8,421,461.90 × 1,775,639.49 - Step 4: Simplify right side
5,614,103.75x = 14,953,480,304,292.23 - Step 5: Solve for x
x = 14,953,480,304,292.23/5,614,103.75 - Step 6: Final answer
x = 2,663,556.11
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1.5x scale
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.