Finding the Fourth Proportional to 3,926,272.65, 5,889,482.79 and 1,230,538.19
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Solution
The fourth proportional to 3,926,272.65, 5,889,482.79 and 1,230,538.19 is: 1,845,830.41
Step by Step Solution
- Step 1: Write the proportion equation
3,926,272.65 : 5,889,482.79 = 1,230,538.19 : x - Step 2: Convert to fraction form
3,926,272.65/5,889,482.79 = 1,230,538.19/x - Step 3: Cross multiply
3,926,272.65x = 5,889,482.79 × 1,230,538.19 - Step 4: Simplify right side
3,926,272.65x = 7,247,233,462,995.34 - Step 5: Solve for x
x = 7,247,233,462,995.34/3,926,272.65 - Step 6: Final answer
x = 1,845,830.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.