Finding the Fourth Proportional to 2,028,217.92, 2,798,973.92 and 1,110,431.68
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Solution
The fourth proportional to 2,028,217.92, 2,798,973.92 and 1,110,431.68 is: 1,532,413.89
Step by Step Solution
- Step 1: Write the proportion equation
2,028,217.92 : 2,798,973.92 = 1,110,431.68 : x - Step 2: Convert to fraction form
2,028,217.92/2,798,973.92 = 1,110,431.68/x - Step 3: Cross multiply
2,028,217.92x = 2,798,973.92 × 1,110,431.68 - Step 4: Simplify right side
2,028,217.92x = 3,108,069,312,261.79 - Step 5: Solve for x
x = 3,108,069,312,261.79/2,028,217.92 - Step 6: Final answer
x = 1,532,413.89
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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.