Finding the Fourth Proportional to 2,449,989.75, 3,678,363.54 and 1,690,029.12
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Solution
The fourth proportional to 2,449,989.75, 3,678,363.54 and 1,690,029.12 is: 2,537,374.49
Step by Step Solution
- Step 1: Write the proportion equation
2,449,989.75 : 3,678,363.54 = 1,690,029.12 : x - Step 2: Convert to fraction form
2,449,989.75/3,678,363.54 = 1,690,029.12/x - Step 3: Cross multiply
2,449,989.75x = 3,678,363.54 × 1,690,029.12 - Step 4: Simplify right side
2,449,989.75x = 6,216,541,496,546.29 - Step 5: Solve for x
x = 6,216,541,496,546.29/2,449,989.75 - Step 6: Final answer
x = 2,537,374.49
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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.