Finding the Fourth Proportional to 4,785,537.99, 7,161,445.21 and 2,989,267.41
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Solution
The fourth proportional to 4,785,537.99, 7,161,445.21 and 2,989,267.41 is: 4,473,368.47
Step by Step Solution
- Step 1: Write the proportion equation
4,785,537.99 : 7,161,445.21 = 2,989,267.41 : x - Step 2: Convert to fraction form
4,785,537.99/7,161,445.21 = 2,989,267.41/x - Step 3: Cross multiply
4,785,537.99x = 7,161,445.21 × 2,989,267.41 - Step 4: Simplify right side
4,785,537.99x = 21,407,474,740,425.02 - Step 5: Solve for x
x = 21,407,474,740,425.02/4,785,537.99 - Step 6: Final answer
x = 4,473,368.47
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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.