Finding the Fourth Proportional to 5,284,160.98, 7,292,141.85 and 2,992,764.58
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Solution
The fourth proportional to 5,284,160.98, 7,292,141.85 and 2,992,764.58 is: 4,130,014.95
Step by Step Solution
- Step 1: Write the proportion equation
5,284,160.98 : 7,292,141.85 = 2,992,764.58 : x - Step 2: Convert to fraction form
5,284,160.98/7,292,141.85 = 2,992,764.58/x - Step 3: Cross multiply
5,284,160.98x = 7,292,141.85 × 2,992,764.58 - Step 4: Simplify right side
5,284,160.98x = 21,823,663,841,015.67 - Step 5: Solve for x
x = 21,823,663,841,015.67/5,284,160.98 - Step 6: Final answer
x = 4,130,014.95
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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.