Finding the Fourth Proportional to 3,218,939.60, 4,828,992.60 and 1,617,472.40
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Solution
The fourth proportional to 3,218,939.60, 4,828,992.60 and 1,617,472.40 is: 2,426,501.65
Step by Step Solution
- Step 1: Write the proportion equation
3,218,939.60 : 4,828,992.60 = 1,617,472.40 : x - Step 2: Convert to fraction form
3,218,939.60/4,828,992.60 = 1,617,472.40/x - Step 3: Cross multiply
3,218,939.60x = 4,828,992.60 × 1,617,472.40 - Step 4: Simplify right side
3,218,939.60x = 7,810,762,250,304.24 - Step 5: Solve for x
x = 7,810,762,250,304.24/3,218,939.60 - Step 6: Final answer
x = 2,426,501.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.