Finding the Fourth Proportional to 4,293,106.20, 6,439,879.80 and 1,098,259.92
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Solution
The fourth proportional to 4,293,106.20, 6,439,879.80 and 1,098,259.92 is: 1,647,446.29
Step by Step Solution
- Step 1: Write the proportion equation
4,293,106.20 : 6,439,879.80 = 1,098,259.92 : x - Step 2: Convert to fraction form
4,293,106.20/6,439,879.80 = 1,098,259.92/x - Step 3: Cross multiply
4,293,106.20x = 6,439,879.80 × 1,098,259.92 - Step 4: Simplify right side
4,293,106.20x = 7,072,661,873,957.62 - Step 5: Solve for x
x = 7,072,661,873,957.62/4,293,106.20 - Step 6: Final answer
x = 1,647,446.29
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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.