Finding the Fourth Proportional to 4,319,562.06, 6,478,633.82 and 1,440,950.99
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Solution
The fourth proportional to 4,319,562.06, 6,478,633.82 and 1,440,950.99 is: 2,161,189.87
Step by Step Solution
- Step 1: Write the proportion equation
4,319,562.06 : 6,478,633.82 = 1,440,950.99 : x - Step 2: Convert to fraction form
4,319,562.06/6,478,633.82 = 1,440,950.99/x - Step 3: Cross multiply
4,319,562.06x = 6,478,633.82 × 1,440,950.99 - Step 4: Simplify right side
4,319,562.06x = 9,335,393,787,985.69 - Step 5: Solve for x
x = 9,335,393,787,985.69/4,319,562.06 - Step 6: Final answer
x = 2,161,189.87
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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.