Finding the Fourth Proportional to 4,031,072.51, 5,562,885.75 and 2,195,537.99
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Solution
The fourth proportional to 4,031,072.51, 5,562,885.75 and 2,195,537.99 is: 3,029,845.52
Step by Step Solution
- Step 1: Write the proportion equation
4,031,072.51 : 5,562,885.75 = 2,195,537.99 : x - Step 2: Convert to fraction form
4,031,072.51/5,562,885.75 = 2,195,537.99/x - Step 3: Cross multiply
4,031,072.51x = 5,562,885.75 × 2,195,537.99 - Step 4: Simplify right side
4,031,072.51x = 12,213,526,998,154.64 - Step 5: Solve for x
x = 12,213,526,998,154.64/4,031,072.51 - Step 6: Final answer
x = 3,029,845.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.