Finding the Fourth Proportional to 4,264,378.12, 6,397,675.02 and 1,272,562.12
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Solution
The fourth proportional to 4,264,378.12, 6,397,675.02 and 1,272,562.12 is: 1,909,173.78
Step by Step Solution
- Step 1: Write the proportion equation
4,264,378.12 : 6,397,675.02 = 1,272,562.12 : x - Step 2: Convert to fraction form
4,264,378.12/6,397,675.02 = 1,272,562.12/x - Step 3: Cross multiply
4,264,378.12x = 6,397,675.02 × 1,272,562.12 - Step 4: Simplify right side
4,264,378.12x = 8,141,438,886,522.24 - Step 5: Solve for x
x = 8,141,438,886,522.24/4,264,378.12 - Step 6: Final answer
x = 1,909,173.78
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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.