Finding the Fourth Proportional to 3,921,861.32, 5,883,130.87 and 1,081,973.47
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Solution
The fourth proportional to 3,921,861.32, 5,883,130.87 and 1,081,973.47 is: 1,623,053.69
Step by Step Solution
- Step 1: Write the proportion equation
3,921,861.32 : 5,883,130.87 = 1,081,973.47 : x - Step 2: Convert to fraction form
3,921,861.32/5,883,130.87 = 1,081,973.47/x - Step 3: Cross multiply
3,921,861.32x = 5,883,130.87 × 1,081,973.47 - Step 4: Simplify right side
3,921,861.32x = 6,365,391,492,462.37 - Step 5: Solve for x
x = 6,365,391,492,462.37/3,921,861.32 - Step 6: Final answer
x = 1,623,053.69
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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.