Finding the Fourth Proportional to 4,177,477.84, 5,766,807.97 and 2,631,012.11
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Solution
The fourth proportional to 4,177,477.84, 5,766,807.97 and 2,631,012.11 is: 3,631,986.14
Step by Step Solution
- Step 1: Write the proportion equation
4,177,477.84 : 5,766,807.97 = 2,631,012.11 : x - Step 2: Convert to fraction form
4,177,477.84/5,766,807.97 = 2,631,012.11/x - Step 3: Cross multiply
4,177,477.84x = 5,766,807.97 × 2,631,012.11 - Step 4: Simplify right side
4,177,477.84x = 15,172,541,605,114.52 - Step 5: Solve for x
x = 15,172,541,605,114.52/4,177,477.84 - Step 6: Final answer
x = 3,631,986.14
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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.