Finding the Fourth Proportional to 2,539,672.65, 3,809,508.98 and 1,531,903.05
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Solution
The fourth proportional to 2,539,672.65, 3,809,508.98 and 1,531,903.05 is: 2,297,854.58
Step by Step Solution
- Step 1: Write the proportion equation
2,539,672.65 : 3,809,508.98 = 1,531,903.05 : x - Step 2: Convert to fraction form
2,539,672.65/3,809,508.98 = 1,531,903.05/x - Step 3: Cross multiply
2,539,672.65x = 3,809,508.98 × 1,531,903.05 - Step 4: Simplify right side
2,539,672.65x = 5,835,798,417,804.87 - Step 5: Solve for x
x = 5,835,798,417,804.87/2,539,672.65 - Step 6: Final answer
x = 2,297,854.58
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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.