Finding the Fourth Proportional to 2,270,990.48, 3,133,861.36 and 1,303,439.76
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Solution
The fourth proportional to 2,270,990.48, 3,133,861.36 and 1,303,439.76 is: 1,798,686.32
Step by Step Solution
- Step 1: Write the proportion equation
2,270,990.48 : 3,133,861.36 = 1,303,439.76 : x - Step 2: Convert to fraction form
2,270,990.48/3,133,861.36 = 1,303,439.76/x - Step 3: Cross multiply
2,270,990.48x = 3,133,861.36 × 1,303,439.76 - Step 4: Simplify right side
2,270,990.48x = 4,084,799,498,951.67 - Step 5: Solve for x
x = 4,084,799,498,951.67/2,270,990.48 - Step 6: Final answer
x = 1,798,686.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.