Finding the Fourth Proportional to 2,188,901.70, 3,283,363.50 and 989,419.68
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Solution
The fourth proportional to 2,188,901.70, 3,283,363.50 and 989,419.68 is: 1,484,134.47
Step by Step Solution
- Step 1: Write the proportion equation
2,188,901.70 : 3,283,363.50 = 989,419.68 : x - Step 2: Convert to fraction form
2,188,901.70/3,283,363.50 = 989,419.68/x - Step 3: Cross multiply
2,188,901.70x = 3,283,363.50 × 989,419.68 - Step 4: Simplify right side
2,188,901.70x = 3,248,624,463,493.68 - Step 5: Solve for x
x = 3,248,624,463,493.68/2,188,901.70 - Step 6: Final answer
x = 1,484,134.47
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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.