Finding the Fourth Proportional to 1,555,517.70, 2,335,807.98 and 960,262.76
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Solution
The fourth proportional to 1,555,517.70, 2,335,807.98 and 960,262.76 is: 1,441,956.86
Step by Step Solution
- Step 1: Write the proportion equation
1,555,517.70 : 2,335,807.98 = 960,262.76 : x - Step 2: Convert to fraction form
1,555,517.70/2,335,807.98 = 960,262.76/x - Step 3: Cross multiply
1,555,517.70x = 2,335,807.98 × 960,262.76 - Step 4: Simplify right side
1,555,517.70x = 2,242,989,417,704.82 - Step 5: Solve for x
x = 2,242,989,417,704.82/1,555,517.70 - Step 6: Final answer
x = 1,441,956.86
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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.