Finding the Fourth Proportional to 1,508,792.55, 2,081,976.26 and 864,239.91
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Solution
The fourth proportional to 1,508,792.55, 2,081,976.26 and 864,239.91 is: 1,192,560.88
Step by Step Solution
- Step 1: Write the proportion equation
1,508,792.55 : 2,081,976.26 = 864,239.91 : x - Step 2: Convert to fraction form
1,508,792.55/2,081,976.26 = 864,239.91/x - Step 3: Cross multiply
1,508,792.55x = 2,081,976.26 × 864,239.91 - Step 4: Simplify right side
1,508,792.55x = 1,799,326,971,243.34 - Step 5: Solve for x
x = 1,799,326,971,243.34/1,508,792.55 - Step 6: Final answer
x = 1,192,560.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.