Finding the Fourth Proportional to 5,391,225.12, 7,439,926.70 and 2,943,853.25
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Solution
The fourth proportional to 5,391,225.12, 7,439,926.70 and 2,943,853.25 is: 4,062,537.15
Step by Step Solution
- Step 1: Write the proportion equation
5,391,225.12 : 7,439,926.70 = 2,943,853.25 : x - Step 2: Convert to fraction form
5,391,225.12/7,439,926.70 = 2,943,853.25/x - Step 3: Cross multiply
5,391,225.12x = 7,439,926.70 × 2,943,853.25 - Step 4: Simplify right side
5,391,225.12x = 21,902,052,343,637.88 - Step 5: Solve for x
x = 21,902,052,343,637.88/5,391,225.12 - Step 6: Final answer
x = 4,062,537.15
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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.