Finding the Fourth Proportional to 4,692,665.70, 6,475,878.66 and 2,546,489.70
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Solution
The fourth proportional to 4,692,665.70, 6,475,878.66 and 2,546,489.70 is: 3,514,155.78
Step by Step Solution
- Step 1: Write the proportion equation
4,692,665.70 : 6,475,878.66 = 2,546,489.70 : x - Step 2: Convert to fraction form
4,692,665.70/6,475,878.66 = 2,546,489.70/x - Step 3: Cross multiply
4,692,665.70x = 6,475,878.66 × 2,546,489.70 - Step 4: Simplify right side
4,692,665.70x = 16,490,758,273,760.41 - Step 5: Solve for x
x = 16,490,758,273,760.41/4,692,665.70 - Step 6: Final answer
x = 3,514,155.78
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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.