Finding the Fourth Proportional to 4,780,107.36, 6,589,078.52 and 3,249,557.28
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Solution
The fourth proportional to 4,780,107.36, 6,589,078.52 and 3,249,557.28 is: 4,479,311.12
Step by Step Solution
- Step 1: Write the proportion equation
4,780,107.36 : 6,589,078.52 = 3,249,557.28 : x - Step 2: Convert to fraction form
4,780,107.36/6,589,078.52 = 3,249,557.28/x - Step 3: Cross multiply
4,780,107.36x = 6,589,078.52 × 3,249,557.28 - Step 4: Simplify right side
4,780,107.36x = 21,411,588,073,157.62 - Step 5: Solve for x
x = 21,411,588,073,157.62/4,780,107.36 - Step 6: Final answer
x = 4,479,311.12
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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.