Finding the Fourth Proportional to 4,812,698.70, 7,218,782.37 and 1,617,494.94
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Solution
The fourth proportional to 4,812,698.70, 7,218,782.37 and 1,617,494.94 is: 2,426,153.12
Step by Step Solution
- Step 1: Write the proportion equation
4,812,698.70 : 7,218,782.37 = 1,617,494.94 : x - Step 2: Convert to fraction form
4,812,698.70/7,218,782.37 = 1,617,494.94/x - Step 3: Cross multiply
4,812,698.70x = 7,218,782.37 × 1,617,494.94 - Step 4: Simplify right side
4,812,698.70x = 11,676,343,956,436.21 - Step 5: Solve for x
x = 11,676,343,956,436.21/4,812,698.70 - Step 6: Final answer
x = 2,426,153.12
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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.