Finding the Fourth Proportional to 3,211,177.12, 4,820,876.13 and 2,758,663.42
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Solution
The fourth proportional to 3,211,177.12, 4,820,876.13 and 2,758,663.42 is: 4,141,526.34
Step by Step Solution
- Step 1: Write the proportion equation
3,211,177.12 : 4,820,876.13 = 2,758,663.42 : x - Step 2: Convert to fraction form
3,211,177.12/4,820,876.13 = 2,758,663.42/x - Step 3: Cross multiply
3,211,177.12x = 4,820,876.13 × 2,758,663.42 - Step 4: Simplify right side
3,211,177.12x = 13,299,174,632,182.16 - Step 5: Solve for x
x = 13,299,174,632,182.16/3,211,177.12 - Step 6: Final answer
x = 4,141,526.34
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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.