Finding the Fourth Proportional to 2,974,493.75, 4,461,740.67 and 1,963,379.18
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Solution
The fourth proportional to 2,974,493.75, 4,461,740.67 and 1,963,379.18 is: 2,945,068.80
Step by Step Solution
- Step 1: Write the proportion equation
2,974,493.75 : 4,461,740.67 = 1,963,379.18 : x - Step 2: Convert to fraction form
2,974,493.75/4,461,740.67 = 1,963,379.18/x - Step 3: Cross multiply
2,974,493.75x = 4,461,740.67 × 1,963,379.18 - Step 4: Simplify right side
2,974,493.75x = 8,760,088,736,099.12 - Step 5: Solve for x
x = 8,760,088,736,099.12/2,974,493.75 - Step 6: Final answer
x = 2,945,068.80
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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.