Finding the Fourth Proportional to 3,145,101.08, 4,717,126.13 and 870,855.37
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Solution
The fourth proportional to 3,145,101.08, 4,717,126.13 and 870,855.37 is: 1,306,137.55
Step by Step Solution
- Step 1: Write the proportion equation
3,145,101.08 : 4,717,126.13 = 870,855.37 : x - Step 2: Convert to fraction form
3,145,101.08/4,717,126.13 = 870,855.37/x - Step 3: Cross multiply
3,145,101.08x = 4,717,126.13 × 870,855.37 - Step 4: Simplify right side
3,145,101.08x = 4,107,934,605,130.73 - Step 5: Solve for x
x = 4,107,934,605,130.73/3,145,101.08 - Step 6: Final answer
x = 1,306,137.55
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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.