Finding the Fourth Proportional to 4,870,957.70, 7,306,897.35 and 1,325,101.70
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Solution
The fourth proportional to 4,870,957.70, 7,306,897.35 and 1,325,101.70 is: 1,987,777.91
Step by Step Solution
- Step 1: Write the proportion equation
4,870,957.70 : 7,306,897.35 = 1,325,101.70 : x - Step 2: Convert to fraction form
4,870,957.70/7,306,897.35 = 1,325,101.70/x - Step 3: Cross multiply
4,870,957.70x = 7,306,897.35 × 1,325,101.70 - Step 4: Simplify right side
4,870,957.70x = 9,682,382,100,210.49 - Step 5: Solve for x
x = 9,682,382,100,210.49/4,870,957.70 - Step 6: Final answer
x = 1,987,777.91
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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.