Finding the Fourth Proportional to 1,860,212.81, 2,567,374.14 and 1,135,480.64
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Solution
The fourth proportional to 1,860,212.81, 2,567,374.14 and 1,135,480.64 is: 1,567,134.48
Step by Step Solution
- Step 1: Write the proportion equation
1,860,212.81 : 2,567,374.14 = 1,135,480.64 : x - Step 2: Convert to fraction form
1,860,212.81/2,567,374.14 = 1,135,480.64/x - Step 3: Cross multiply
1,860,212.81x = 2,567,374.14 × 1,135,480.64 - Step 4: Simplify right side
1,860,212.81x = 2,915,203,618,769.78 - Step 5: Solve for x
x = 2,915,203,618,769.78/1,860,212.81 - Step 6: Final answer
x = 1,567,134.48
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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.