Finding the Fourth Proportional to 3,153,084.84, 4,351,257.06 and 1,702,780.17
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Solution
The fourth proportional to 3,153,084.84, 4,351,257.06 and 1,702,780.17 is: 2,349,836.62
Step by Step Solution
- Step 1: Write the proportion equation
3,153,084.84 : 4,351,257.06 = 1,702,780.17 : x - Step 2: Convert to fraction form
3,153,084.84/4,351,257.06 = 1,702,780.17/x - Step 3: Cross multiply
3,153,084.84x = 4,351,257.06 × 1,702,780.17 - Step 4: Simplify right side
3,153,084.84x = 7,409,234,236,340.50 - Step 5: Solve for x
x = 7,409,234,236,340.50/3,153,084.84 - Step 6: Final answer
x = 2,349,836.62
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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.