Finding the Fourth Proportional to 7,203,230.40, 10,804,863.92 and 2,943,397.92
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Solution
The fourth proportional to 7,203,230.40, 10,804,863.92 and 2,943,397.92 is: 4,415,104.37
Step by Step Solution
- Step 1: Write the proportion equation
7,203,230.40 : 10,804,863.92 = 2,943,397.92 : x - Step 2: Convert to fraction form
7,203,230.40/10,804,863.92 = 2,943,397.92/x - Step 3: Cross multiply
7,203,230.40x = 10,804,863.92 × 2,943,397.92 - Step 4: Simplify right side
7,203,230.40x = 31,803,013,988,011.05 - Step 5: Solve for x
x = 31,803,013,988,011.05/7,203,230.40 - Step 6: Final answer
x = 4,415,104.37
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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.