Finding the Fourth Proportional to 4,692,669.20, 6,475,883.49 and 2,546,493.20
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Solution
The fourth proportional to 4,692,669.20, 6,475,883.49 and 2,546,493.20 is: 3,514,160.61
Step by Step Solution
- Step 1: Write the proportion equation
4,692,669.20 : 6,475,883.49 = 2,546,493.20 : x - Step 2: Convert to fraction form
4,692,669.20/6,475,883.49 = 2,546,493.20/x - Step 3: Cross multiply
4,692,669.20x = 6,475,883.49 × 2,546,493.20 - Step 4: Simplify right side
4,692,669.20x = 16,490,793,238,897.85 - Step 5: Solve for x
x = 16,490,793,238,897.85/4,692,669.20 - Step 6: Final answer
x = 3,514,160.61
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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.