Finding the Fourth Proportional to 2,818,398.87, 3,889,377.39 and 1,529,236.08
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Solution
The fourth proportional to 2,818,398.87, 3,889,377.39 and 1,529,236.08 is: 2,110,338.71
Step by Step Solution
- Step 1: Write the proportion equation
2,818,398.87 : 3,889,377.39 = 1,529,236.08 : x - Step 2: Convert to fraction form
2,818,398.87/3,889,377.39 = 1,529,236.08/x - Step 3: Cross multiply
2,818,398.87x = 3,889,377.39 × 1,529,236.08 - Step 4: Simplify right side
2,818,398.87x = 5,947,776,233,524.23 - Step 5: Solve for x
x = 5,947,776,233,524.23/2,818,398.87 - Step 6: Final answer
x = 2,110,338.71
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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.