Finding the Fourth Proportional to 4,378,415.62, 6,565,418.49 and 1,459,475.02
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Solution
The fourth proportional to 4,378,415.62, 6,565,418.49 and 1,459,475.02 is: 2,188,477.54
Step by Step Solution
- Step 1: Write the proportion equation
4,378,415.62 : 6,565,418.49 = 1,459,475.02 : x - Step 2: Convert to fraction form
4,378,415.62/6,565,418.49 = 1,459,475.02/x - Step 3: Cross multiply
4,378,415.62x = 6,565,418.49 × 1,459,475.02 - Step 4: Simplify right side
4,378,415.62x = 9,582,064,249,174.03 - Step 5: Solve for x
x = 9,582,064,249,174.03/4,378,415.62 - Step 6: Final answer
x = 2,188,477.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.