Finding the Fourth Proportional to 3,344,403.16, 4,615,289.58 and 1,816,535.80
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Solution
The fourth proportional to 3,344,403.16, 4,615,289.58 and 1,816,535.80 is: 2,506,826.58
Step by Step Solution
- Step 1: Write the proportion equation
3,344,403.16 : 4,615,289.58 = 1,816,535.80 : x - Step 2: Convert to fraction form
3,344,403.16/4,615,289.58 = 1,816,535.80/x - Step 3: Cross multiply
3,344,403.16x = 4,615,289.58 × 1,816,535.80 - Step 4: Simplify right side
3,344,403.16x = 8,383,838,749,436.96 - Step 5: Solve for x
x = 8,383,838,749,436.96/3,344,403.16 - Step 6: Final answer
x = 2,506,826.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.