Finding the Fourth Proportional to 3,075,243.26, 4,243,810.36 and 1,679,806.04
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Solution
The fourth proportional to 3,075,243.26, 4,243,810.36 and 1,679,806.04 is: 2,318,118.49
Step by Step Solution
- Step 1: Write the proportion equation
3,075,243.26 : 4,243,810.36 = 1,679,806.04 : x - Step 2: Convert to fraction form
3,075,243.26/4,243,810.36 = 1,679,806.04/x - Step 3: Cross multiply
3,075,243.26x = 4,243,810.36 × 1,679,806.04 - Step 4: Simplify right side
3,075,243.26x = 7,128,778,275,342.58 - Step 5: Solve for x
x = 7,128,778,275,342.58/3,075,243.26 - Step 6: Final answer
x = 2,318,118.49
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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.