Finding the Fourth Proportional to 1,423,130.91, 2,135,538.36 and 525,197.92
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Solution
The fourth proportional to 1,423,130.91, 2,135,538.36 and 525,197.92 is: 788,107.61
Step by Step Solution
- Step 1: Write the proportion equation
1,423,130.91 : 2,135,538.36 = 525,197.92 : x - Step 2: Convert to fraction form
1,423,130.91/2,135,538.36 = 525,197.92/x - Step 3: Cross multiply
1,423,130.91x = 2,135,538.36 × 525,197.92 - Step 4: Simplify right side
1,423,130.91x = 1,121,580,299,413.37 - Step 5: Solve for x
x = 1,121,580,299,413.37/1,423,130.91 - Step 6: Final answer
x = 788,107.61
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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.