Finding the Fourth Proportional to 4,820,394.98, 6,651,922.47 and 2,644,884.02
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Solution
The fourth proportional to 4,820,394.98, 6,651,922.47 and 2,644,884.02 is: 3,649,817.81
Step by Step Solution
- Step 1: Write the proportion equation
4,820,394.98 : 6,651,922.47 = 2,644,884.02 : x - Step 2: Convert to fraction form
4,820,394.98/6,651,922.47 = 2,644,884.02/x - Step 3: Cross multiply
4,820,394.98x = 6,651,922.47 × 2,644,884.02 - Step 4: Simplify right side
4,820,394.98x = 17,593,563,409,922.32 - Step 5: Solve for x
x = 17,593,563,409,922.32/4,820,394.98 - Step 6: Final answer
x = 3,649,817.81
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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.