Finding the Fourth Proportional to 1,498,849.60, 2,243,608.80 and 865,883.20
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Solution
The fourth proportional to 1,498,849.60, 2,243,608.80 and 865,883.20 is: 1,296,129.49
Step by Step Solution
- Step 1: Write the proportion equation
1,498,849.60 : 2,243,608.80 = 865,883.20 : x - Step 2: Convert to fraction form
1,498,849.60/2,243,608.80 = 865,883.20/x - Step 3: Cross multiply
1,498,849.60x = 2,243,608.80 × 865,883.20 - Step 4: Simplify right side
1,498,849.60x = 1,942,703,167,292.16 - Step 5: Solve for x
x = 1,942,703,167,292.16/1,498,849.60 - Step 6: Final answer
x = 1,296,129.49
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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.