Finding the Fourth Proportional to 3,496,740.24, 5,242,748.40 and 1,786,681.20
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Solution
The fourth proportional to 3,496,740.24, 5,242,748.40 and 1,786,681.20 is: 2,678,814.94
Step by Step Solution
- Step 1: Write the proportion equation
3,496,740.24 : 5,242,748.40 = 1,786,681.20 : x - Step 2: Convert to fraction form
3,496,740.24/5,242,748.40 = 1,786,681.20/x - Step 3: Cross multiply
3,496,740.24x = 5,242,748.40 × 1,786,681.20 - Step 4: Simplify right side
3,496,740.24x = 9,367,120,002,610.08 - Step 5: Solve for x
x = 9,367,120,002,610.08/3,496,740.24 - Step 6: Final answer
x = 2,678,814.94
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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.