Finding the Fourth Proportional to 3,748,868.03, 5,173,428.92 and 2,029,988.49
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Solution
The fourth proportional to 3,748,868.03, 5,173,428.92 and 2,029,988.49 is: 2,801,379.26
Step by Step Solution
- Step 1: Write the proportion equation
3,748,868.03 : 5,173,428.92 = 2,029,988.49 : x - Step 2: Convert to fraction form
3,748,868.03/5,173,428.92 = 2,029,988.49/x - Step 3: Cross multiply
3,748,868.03x = 5,173,428.92 × 2,029,988.49 - Step 4: Simplify right side
3,748,868.03x = 10,502,001,151,283.19 - Step 5: Solve for x
x = 10,502,001,151,283.19/3,748,868.03 - Step 6: Final answer
x = 2,801,379.26
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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.