Finding the Fourth Proportional to 4,981,649.36, 6,873,410.76 and 3,047,203.28
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Solution
The fourth proportional to 4,981,649.36, 6,873,410.76 and 3,047,203.28 is: 4,204,366.53
Step by Step Solution
- Step 1: Write the proportion equation
4,981,649.36 : 6,873,410.76 = 3,047,203.28 : x - Step 2: Convert to fraction form
4,981,649.36/6,873,410.76 = 3,047,203.28/x - Step 3: Cross multiply
4,981,649.36x = 6,873,410.76 × 3,047,203.28 - Step 4: Simplify right side
4,981,649.36x = 20,944,679,812,659.29 - Step 5: Solve for x
x = 20,944,679,812,659.29/4,981,649.36 - Step 6: Final answer
x = 4,204,366.53
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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.