Finding the Fourth Proportional to 1,534,126.28, 2,301,189.35 and 1,457,413.84
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Solution
The fourth proportional to 1,534,126.28, 2,301,189.35 and 1,457,413.84 is: 2,186,120.69
Step by Step Solution
- Step 1: Write the proportion equation
1,534,126.28 : 2,301,189.35 = 1,457,413.84 : x - Step 2: Convert to fraction form
1,534,126.28/2,301,189.35 = 1,457,413.84/x - Step 3: Cross multiply
1,534,126.28x = 2,301,189.35 × 1,457,413.84 - Step 4: Simplify right side
1,534,126.28x = 3,353,785,205,041.17 - Step 5: Solve for x
x = 3,353,785,205,041.17/1,534,126.28 - Step 6: Final answer
x = 2,186,120.69
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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.