Finding the Fourth Proportional to 4,692,666.45, 6,475,879.70 and 2,546,490.45
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Solution
The fourth proportional to 4,692,666.45, 6,475,879.70 and 2,546,490.45 is: 3,514,156.82
Step by Step Solution
- Step 1: Write the proportion equation
4,692,666.45 : 6,475,879.70 = 2,546,490.45 : x - Step 2: Convert to fraction form
4,692,666.45/6,475,879.70 = 2,546,490.45/x - Step 3: Cross multiply
4,692,666.45x = 6,475,879.70 × 2,546,490.45 - Step 4: Simplify right side
4,692,666.45x = 16,490,765,811,398.87 - Step 5: Solve for x
x = 16,490,765,811,398.87/4,692,666.45 - Step 6: Final answer
x = 3,514,156.82
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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.