Finding the Fourth Proportional to 3,285,925.12, 4,534,554.84 and 1,835,607.68
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Solution
The fourth proportional to 3,285,925.12, 4,534,554.84 and 1,835,607.68 is: 2,533,126.41
Step by Step Solution
- Step 1: Write the proportion equation
3,285,925.12 : 4,534,554.84 = 1,835,607.68 : x - Step 2: Convert to fraction form
3,285,925.12/4,534,554.84 = 1,835,607.68/x - Step 3: Cross multiply
3,285,925.12x = 4,534,554.84 × 1,835,607.68 - Step 4: Simplify right side
3,285,925.12x = 8,323,663,689,685.17 - Step 5: Solve for x
x = 8,323,663,689,685.17/3,285,925.12 - Step 6: Final answer
x = 2,533,126.41
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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.