Finding the Fourth Proportional to 5,391,199.98, 7,439,891.94 and 2,943,828.02
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Solution
The fourth proportional to 5,391,199.98, 7,439,891.94 and 2,943,828.02 is: 4,062,502.31
Step by Step Solution
- Step 1: Write the proportion equation
5,391,199.98 : 7,439,891.94 = 2,943,828.02 : x - Step 2: Convert to fraction form
5,391,199.98/7,439,891.94 = 2,943,828.02/x - Step 3: Cross multiply
5,391,199.98x = 7,439,891.94 × 2,943,828.02 - Step 4: Simplify right side
5,391,199.98x = 21,901,762,358,744.16 - Step 5: Solve for x
x = 21,901,762,358,744.16/5,391,199.98 - Step 6: Final answer
x = 4,062,502.31
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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.