Finding the Fourth Proportional to 3,876,165.70, 5,349,055.35 and 2,157,285.94
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Solution
The fourth proportional to 3,876,165.70, 5,349,055.35 and 2,157,285.94 is: 2,977,024.92
Step by Step Solution
- Step 1: Write the proportion equation
3,876,165.70 : 5,349,055.35 = 2,157,285.94 : x - Step 2: Convert to fraction form
3,876,165.70/5,349,055.35 = 2,157,285.94/x - Step 3: Cross multiply
3,876,165.70x = 5,349,055.35 × 2,157,285.94 - Step 4: Simplify right side
3,876,165.70x = 11,539,441,898,836.78 - Step 5: Solve for x
x = 11,539,441,898,836.78/3,876,165.70 - Step 6: Final answer
x = 2,977,024.92
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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.