Finding the Fourth Proportional to 3,045,645.93, 4,202,991.41 and 1,687,518.93
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Solution
The fourth proportional to 3,045,645.93, 4,202,991.41 and 1,687,518.93 is: 2,328,776.14
Step by Step Solution
- Step 1: Write the proportion equation
3,045,645.93 : 4,202,991.41 = 1,687,518.93 : x - Step 2: Convert to fraction form
3,045,645.93/4,202,991.41 = 1,687,518.93/x - Step 3: Cross multiply
3,045,645.93x = 4,202,991.41 × 1,687,518.93 - Step 4: Simplify right side
3,045,645.93x = 7,092,627,567,002.39 - Step 5: Solve for x
x = 7,092,627,567,002.39/3,045,645.93 - Step 6: Final answer
x = 2,328,776.14
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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.