Finding the Fourth Proportional to 3,862,877.60, 5,794,316.40 and 1,872,221.60
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Solution
The fourth proportional to 3,862,877.60, 5,794,316.40 and 1,872,221.60 is: 2,808,332.40
Step by Step Solution
- Step 1: Write the proportion equation
3,862,877.60 : 5,794,316.40 = 1,872,221.60 : x - Step 2: Convert to fraction form
3,862,877.60/5,794,316.40 = 1,872,221.60/x - Step 3: Cross multiply
3,862,877.60x = 5,794,316.40 × 1,872,221.60 - Step 4: Simplify right side
3,862,877.60x = 10,848,244,321,314.24 - Step 5: Solve for x
x = 10,848,244,321,314.24/3,862,877.60 - Step 6: Final answer
x = 2,808,332.40
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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.