Finding the Fourth Proportional to 5,284,214.40, 7,292,215.16 and 2,992,817.92
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Solution
The fourth proportional to 5,284,214.40, 7,292,215.16 and 2,992,817.92 is: 4,130,088.33
Step by Step Solution
- Step 1: Write the proportion equation
5,284,214.40 : 7,292,215.16 = 2,992,817.92 : x - Step 2: Convert to fraction form
5,284,214.40/7,292,215.16 = 2,992,817.92/x - Step 3: Cross multiply
5,284,214.40x = 7,292,215.16 × 2,992,817.92 - Step 4: Simplify right side
5,284,214.40x = 21,824,272,207,343.67 - Step 5: Solve for x
x = 21,824,272,207,343.67/5,284,214.40 - Step 6: Final answer
x = 4,130,088.33
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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.