Finding the Fourth Proportional to 2,003,988.09, 2,765,678.53 and 1,098,745.05
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Solution
The fourth proportional to 2,003,988.09, 2,765,678.53 and 1,098,745.05 is: 1,516,364.10
Step by Step Solution
- Step 1: Write the proportion equation
2,003,988.09 : 2,765,678.53 = 1,098,745.05 : x - Step 2: Convert to fraction form
2,003,988.09/2,765,678.53 = 1,098,745.05/x - Step 3: Cross multiply
2,003,988.09x = 2,765,678.53 × 1,098,745.05 - Step 4: Simplify right side
2,003,988.09x = 3,038,775,604,413.36 - Step 5: Solve for x
x = 3,038,775,604,413.36/2,003,988.09 - Step 6: Final answer
x = 1,516,364.10
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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.