Finding the Fourth Proportional to 4,797,943.18, 7,198,177.08 and 1,724,244.53
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Solution
The fourth proportional to 4,797,943.18, 7,198,177.08 and 1,724,244.53 is: 2,586,820.43
Step by Step Solution
- Step 1: Write the proportion equation
4,797,943.18 : 7,198,177.08 = 1,724,244.53 : x - Step 2: Convert to fraction form
4,797,943.18/7,198,177.08 = 1,724,244.53/x - Step 3: Cross multiply
4,797,943.18x = 7,198,177.08 × 1,724,244.53 - Step 4: Simplify right side
4,797,943.18x = 12,411,417,447,540.15 - Step 5: Solve for x
x = 12,411,417,447,540.15/4,797,943.18 - Step 6: Final answer
x = 2,586,820.43
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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.