Finding the Fourth Proportional to 4,940,573.27, 7,409,526.63 and 1,745,278.79
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Solution
The fourth proportional to 4,940,573.27, 7,409,526.63 and 1,745,278.79 is: 2,617,447.20
Step by Step Solution
- Step 1: Write the proportion equation
4,940,573.27 : 7,409,526.63 = 1,745,278.79 : x - Step 2: Convert to fraction form
4,940,573.27/7,409,526.63 = 1,745,278.79/x - Step 3: Cross multiply
4,940,573.27x = 7,409,526.63 × 1,745,278.79 - Step 4: Simplify right side
4,940,573.27x = 12,931,689,671,279.18 - Step 5: Solve for x
x = 12,931,689,671,279.18/4,940,573.27 - Step 6: Final answer
x = 2,617,447.20
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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.