Finding the Fourth Proportional to 1,711,260.40, 2,563,780.20 and 1,393,999.60
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Solution
The fourth proportional to 1,711,260.40, 2,563,780.20 and 1,393,999.60 is: 2,088,465.66
Step by Step Solution
- Step 1: Write the proportion equation
1,711,260.40 : 2,563,780.20 = 1,393,999.60 : x - Step 2: Convert to fraction form
1,711,260.40/2,563,780.20 = 1,393,999.60/x - Step 3: Cross multiply
1,711,260.40x = 2,563,780.20 × 1,393,999.60 - Step 4: Simplify right side
1,711,260.40x = 3,573,908,573,287.92 - Step 5: Solve for x
x = 3,573,908,573,287.92/1,711,260.40 - Step 6: Final answer
x = 2,088,465.66
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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.