Finding the Fourth Proportional to 1,681,592.48, 2,522,318.16 and 782,725.12
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Solution
The fourth proportional to 1,681,592.48, 2,522,318.16 and 782,725.12 is: 1,174,054.84
Step by Step Solution
- Step 1: Write the proportion equation
1,681,592.48 : 2,522,318.16 = 782,725.12 : x - Step 2: Convert to fraction form
1,681,592.48/2,522,318.16 = 782,725.12/x - Step 3: Cross multiply
1,681,592.48x = 2,522,318.16 × 782,725.12 - Step 4: Simplify right side
1,681,592.48x = 1,974,281,784,464.18 - Step 5: Solve for x
x = 1,974,281,784,464.18/1,681,592.48 - Step 6: Final answer
x = 1,174,054.84
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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.