Finding the Fourth Proportional to 3,120,873.99, 4,682,663.28 and 1,100,561.46
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Solution
The fourth proportional to 3,120,873.99, 4,682,663.28 and 1,100,561.46 is: 1,651,319.07
Step by Step Solution
- Step 1: Write the proportion equation
3,120,873.99 : 4,682,663.28 = 1,100,561.46 : x - Step 2: Convert to fraction form
3,120,873.99/4,682,663.28 = 1,100,561.46/x - Step 3: Cross multiply
3,120,873.99x = 4,682,663.28 × 1,100,561.46 - Step 4: Simplify right side
3,120,873.99x = 5,153,558,736,125.19 - Step 5: Solve for x
x = 5,153,558,736,125.19/3,120,873.99 - Step 6: Final answer
x = 1,651,319.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.