Finding the Fourth Proportional to 1,543,115.04, 2,129,424.66 and 854,740.41
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Solution
The fourth proportional to 1,543,115.04, 2,129,424.66 and 854,740.41 is: 1,179,500.72
Step by Step Solution
- Step 1: Write the proportion equation
1,543,115.04 : 2,129,424.66 = 854,740.41 : x - Step 2: Convert to fraction form
1,543,115.04/2,129,424.66 = 854,740.41/x - Step 3: Cross multiply
1,543,115.04x = 2,129,424.66 × 854,740.41 - Step 4: Simplify right side
1,543,115.04x = 1,820,105,306,952.51 - Step 5: Solve for x
x = 1,820,105,306,952.51/1,543,115.04 - Step 6: Final answer
x = 1,179,500.72
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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.