Finding the Fourth Proportional to 2,566,899.18, 3,542,362.65 and 1,405,325.84
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Solution
The fourth proportional to 2,566,899.18, 3,542,362.65 and 1,405,325.84 is: 1,939,372.53
Step by Step Solution
- Step 1: Write the proportion equation
2,566,899.18 : 3,542,362.65 = 1,405,325.84 : x - Step 2: Convert to fraction form
2,566,899.18/3,542,362.65 = 1,405,325.84/x - Step 3: Cross multiply
2,566,899.18x = 3,542,362.65 × 1,405,325.84 - Step 4: Simplify right side
2,566,899.18x = 4,978,173,754,326.65 - Step 5: Solve for x
x = 4,978,173,754,326.65/2,566,899.18 - Step 6: Final answer
x = 1,939,372.53
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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.