Finding the Fourth Proportional to 4,121,253.61, 5,687,245.26 and 2,285,415.65
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Solution
The fourth proportional to 4,121,253.61, 5,687,245.26 and 2,285,415.65 is: 3,153,826.61
Step by Step Solution
- Step 1: Write the proportion equation
4,121,253.61 : 5,687,245.26 = 2,285,415.65 : x - Step 2: Convert to fraction form
4,121,253.61/5,687,245.26 = 2,285,415.65/x - Step 3: Cross multiply
4,121,253.61x = 5,687,245.26 × 2,285,415.65 - Step 4: Simplify right side
4,121,253.61x = 12,997,719,294,156.09 - Step 5: Solve for x
x = 12,997,719,294,156.09/4,121,253.61 - Step 6: Final answer
x = 3,153,826.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.