Finding the Fourth Proportional to 2,555,016.21, 3,525,925.87 and 1,393,465.28
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Solution
The fourth proportional to 2,555,016.21, 3,525,925.87 and 1,393,465.28 is: 1,922,983.99
Step by Step Solution
- Step 1: Write the proportion equation
2,555,016.21 : 3,525,925.87 = 1,393,465.28 : x - Step 2: Convert to fraction form
2,555,016.21/3,525,925.87 = 1,393,465.28/x - Step 3: Cross multiply
2,555,016.21x = 3,525,925.87 × 1,393,465.28 - Step 4: Simplify right side
2,555,016.21x = 4,913,255,255,101.84 - Step 5: Solve for x
x = 4,913,255,255,101.84/2,555,016.21 - Step 6: Final answer
x = 1,922,983.99
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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.