Finding the Fourth Proportional to 1,443,909.76, 2,163,497.28 and 1,022,428.96
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Solution
The fourth proportional to 1,443,909.76, 2,163,497.28 and 1,022,428.96 is: 1,531,967.12
Step by Step Solution
- Step 1: Write the proportion equation
1,443,909.76 : 2,163,497.28 = 1,022,428.96 : x - Step 2: Convert to fraction form
1,443,909.76/2,163,497.28 = 1,022,428.96/x - Step 3: Cross multiply
1,443,909.76x = 2,163,497.28 × 1,022,428.96 - Step 4: Simplify right side
1,443,909.76x = 2,212,022,273,953.23 - Step 5: Solve for x
x = 2,212,022,273,953.23/1,443,909.76 - Step 6: Final answer
x = 1,531,967.12
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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.