Finding the Fourth Proportional to 4,986,107.40, 7,476,974.10 and 2,289,536.40
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Solution
The fourth proportional to 4,986,107.40, 7,476,974.10 and 2,289,536.40 is: 3,433,300.37
Step by Step Solution
- Step 1: Write the proportion equation
4,986,107.40 : 7,476,974.10 = 2,289,536.40 : x - Step 2: Convert to fraction form
4,986,107.40/7,476,974.10 = 2,289,536.40/x - Step 3: Cross multiply
4,986,107.40x = 7,476,974.10 × 2,289,536.40 - Step 4: Simplify right side
4,986,107.40x = 17,118,804,363,807.24 - Step 5: Solve for x
x = 17,118,804,363,807.24/4,986,107.40 - Step 6: Final answer
x = 3,433,300.37
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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.