Finding the Fourth Proportional to 3,083,854.68, 4,623,288.84 and 1,288,113.84
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Solution
The fourth proportional to 3,083,854.68, 4,623,288.84 and 1,288,113.84 is: 1,931,129.37
Step by Step Solution
- Step 1: Write the proportion equation
3,083,854.68 : 4,623,288.84 = 1,288,113.84 : x - Step 2: Convert to fraction form
3,083,854.68/4,623,288.84 = 1,288,113.84/x - Step 3: Cross multiply
3,083,854.68x = 4,623,288.84 × 1,288,113.84 - Step 4: Simplify right side
3,083,854.68x = 5,955,322,341,121.55 - Step 5: Solve for x
x = 5,955,322,341,121.55/3,083,854.68 - Step 6: Final answer
x = 1,931,129.37
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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.