Finding the Fourth Proportional to 1,423,129.41, 2,135,536.11 and 525,196.42
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Solution
The fourth proportional to 1,423,129.41, 2,135,536.11 and 525,196.42 is: 788,105.36
Step by Step Solution
- Step 1: Write the proportion equation
1,423,129.41 : 2,135,536.11 = 525,196.42 : x - Step 2: Convert to fraction form
1,423,129.41/2,135,536.11 = 525,196.42/x - Step 3: Cross multiply
1,423,129.41x = 2,135,536.11 × 525,196.42 - Step 4: Simplify right side
1,423,129.41x = 1,121,575,914,413.89 - Step 5: Solve for x
x = 1,121,575,914,413.89/1,423,129.41 - Step 6: Final answer
x = 788,105.36
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1.5x scale
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.