Finding the Fourth Proportional to 2,249,571.05, 3,104,399.58 and 1,217,075.48
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Solution
The fourth proportional to 2,249,571.05, 3,104,399.58 and 1,217,075.48 is: 1,679,559.58
Step by Step Solution
- Step 1: Write the proportion equation
2,249,571.05 : 3,104,399.58 = 1,217,075.48 : x - Step 2: Convert to fraction form
2,249,571.05/3,104,399.58 = 1,217,075.48/x - Step 3: Cross multiply
2,249,571.05x = 3,104,399.58 × 1,217,075.48 - Step 4: Simplify right side
2,249,571.05x = 3,778,288,608,940.30 - Step 5: Solve for x
x = 3,778,288,608,940.30/2,249,571.05 - Step 6: Final answer
x = 1,679,559.58
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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.