Finding the Fourth Proportional to 3,553,576.94, 5,330,318.36 and 857,887.62
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Solution
The fourth proportional to 3,553,576.94, 5,330,318.36 and 857,887.62 is: 1,286,820.07
Step by Step Solution
- Step 1: Write the proportion equation
3,553,576.94 : 5,330,318.36 = 857,887.62 : x - Step 2: Convert to fraction form
3,553,576.94/5,330,318.36 = 857,887.62/x - Step 3: Cross multiply
3,553,576.94x = 5,330,318.36 × 857,887.62 - Step 4: Simplify right side
3,553,576.94x = 4,572,814,127,413.27 - Step 5: Solve for x
x = 4,572,814,127,413.27/3,553,576.94 - Step 6: Final answer
x = 1,286,820.07
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1.5x scale
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.