Finding the Fourth Proportional to 3,782,810.16, 5,675,878.73 and 1,985,272.49
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Solution
The fourth proportional to 3,782,810.16, 5,675,878.73 and 1,985,272.49 is: 2,978,781.75
Step by Step Solution
- Step 1: Write the proportion equation
3,782,810.16 : 5,675,878.73 = 1,985,272.49 : x - Step 2: Convert to fraction form
3,782,810.16/5,675,878.73 = 1,985,272.49/x - Step 3: Cross multiply
3,782,810.16x = 5,675,878.73 × 1,985,272.49 - Step 4: Simplify right side
3,782,810.16x = 11,268,165,875,304.04 - Step 5: Solve for x
x = 11,268,165,875,304.04/3,782,810.16 - Step 6: Final answer
x = 2,978,781.75
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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.