Finding the Fourth Proportional to 2,127,262.88, 3,190,922.08 and 707,318.96
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Solution
The fourth proportional to 2,127,262.88, 3,190,922.08 and 707,318.96 is: 1,060,987.67
Step by Step Solution
- Step 1: Write the proportion equation
2,127,262.88 : 3,190,922.08 = 707,318.96 : x - Step 2: Convert to fraction form
2,127,262.88/3,190,922.08 = 707,318.96/x - Step 3: Cross multiply
2,127,262.88x = 3,190,922.08 × 707,318.96 - Step 4: Simplify right side
2,127,262.88x = 2,256,999,673,322.40 - Step 5: Solve for x
x = 2,256,999,673,322.40/2,127,262.88 - Step 6: Final answer
x = 1,060,987.67
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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.