Finding the Fourth Proportional to 2,491,473.20, 3,723,557 and 1,818,970.68
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Solution
The fourth proportional to 2,491,473.20, 3,723,557 and 1,818,970.68 is: 2,718,488.41
Step by Step Solution
- Step 1: Write the proportion equation
2,491,473.20 : 3,723,557 = 1,818,970.68 : x - Step 2: Convert to fraction form
2,491,473.20/3,723,557 = 1,818,970.68/x - Step 3: Cross multiply
2,491,473.20x = 3,723,557 × 1,818,970.68 - Step 4: Simplify right side
2,491,473.20x = 6,773,041,008,308.76 - Step 5: Solve for x
x = 6,773,041,008,308.76/2,491,473.20 - Step 6: Final answer
x = 2,718,488.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.