Finding the Fourth Proportional to 1,540,752.28, 2,309,235.47 and 865,413.97
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Solution
The fourth proportional to 1,540,752.28, 2,309,235.47 and 865,413.97 is: 1,297,057.71
Step by Step Solution
- Step 1: Write the proportion equation
1,540,752.28 : 2,309,235.47 = 865,413.97 : x - Step 2: Convert to fraction form
1,540,752.28/2,309,235.47 = 865,413.97/x - Step 3: Cross multiply
1,540,752.28x = 2,309,235.47 × 865,413.97 - Step 4: Simplify right side
1,540,752.28x = 1,998,444,624,211.34 - Step 5: Solve for x
x = 1,998,444,624,211.34/1,540,752.28 - Step 6: Final answer
x = 1,297,057.71
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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.