Finding the Fourth Proportional to 2,774,471.58, 4,132,451.35 and 2,649,987.14
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Solution
The fourth proportional to 2,774,471.58, 4,132,451.35 and 2,649,987.14 is: 3,947,037.34
Step by Step Solution
- Step 1: Write the proportion equation
2,774,471.58 : 4,132,451.35 = 2,649,987.14 : x - Step 2: Convert to fraction form
2,774,471.58/4,132,451.35 = 2,649,987.14/x - Step 3: Cross multiply
2,774,471.58x = 4,132,451.35 × 2,649,987.14 - Step 4: Simplify right side
2,774,471.58x = 10,950,942,932,322.56 - Step 5: Solve for x
x = 10,950,942,932,322.56/2,774,471.58 - Step 6: Final answer
x = 3,947,037.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.