Finding the Fourth Proportional to 2,767,371.36, 3,818,807.82 and 1,605,727.68
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Solution
The fourth proportional to 2,767,371.36, 3,818,807.82 and 1,605,727.68 is: 2,215,808.66
Step by Step Solution
- Step 1: Write the proportion equation
2,767,371.36 : 3,818,807.82 = 1,605,727.68 : x - Step 2: Convert to fraction form
2,767,371.36/3,818,807.82 = 1,605,727.68/x - Step 3: Cross multiply
2,767,371.36x = 3,818,807.82 × 1,605,727.68 - Step 4: Simplify right side
2,767,371.36x = 6,131,965,421,174.46 - Step 5: Solve for x
x = 6,131,965,421,174.46/2,767,371.36 - Step 6: Final answer
x = 2,215,808.66
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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.