Finding the Fourth Proportional to 3,459,927.88, 5,190,838.68 and 1,664,313.40
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Solution
The fourth proportional to 3,459,927.88, 5,190,838.68 and 1,664,313.40 is: 2,496,925.56
Step by Step Solution
- Step 1: Write the proportion equation
3,459,927.88 : 5,190,838.68 = 1,664,313.40 : x - Step 2: Convert to fraction form
3,459,927.88/5,190,838.68 = 1,664,313.40/x - Step 3: Cross multiply
3,459,927.88x = 5,190,838.68 × 1,664,313.40 - Step 4: Simplify right side
3,459,927.88x = 8,639,182,372,362.31 - Step 5: Solve for x
x = 8,639,182,372,362.31/3,459,927.88 - Step 6: Final answer
x = 2,496,925.56
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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.