Finding the Fourth Proportional to 3,776,892.06, 5,211,948.09 and 2,145,294.36
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Solution
The fourth proportional to 3,776,892.06, 5,211,948.09 and 2,145,294.36 is: 2,960,413.66
Step by Step Solution
- Step 1: Write the proportion equation
3,776,892.06 : 5,211,948.09 = 2,145,294.36 : x - Step 2: Convert to fraction form
3,776,892.06/5,211,948.09 = 2,145,294.36/x - Step 3: Cross multiply
3,776,892.06x = 5,211,948.09 × 2,145,294.36 - Step 4: Simplify right side
3,776,892.06x = 11,181,162,842,089.77 - Step 5: Solve for x
x = 11,181,162,842,089.77/3,776,892.06 - Step 6: Final answer
x = 2,960,413.66
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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.