Finding the Fourth Proportional to 5,279,290, 7,285,420.20 and 2,864,842
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Solution
The fourth proportional to 5,279,290, 7,285,420.20 and 2,864,842 is: 3,953,481.96
Step by Step Solution
- Step 1: Write the proportion equation
5,279,290 : 7,285,420.20 = 2,864,842 : x - Step 2: Convert to fraction form
5,279,290/7,285,420.20 = 2,864,842/x - Step 3: Cross multiply
5,279,290x = 7,285,420.20 × 2,864,842 - Step 4: Simplify right side
5,279,290x = 20,871,577,776,608.40 - Step 5: Solve for x
x = 20,871,577,776,608.40/5,279,290 - Step 6: Final answer
x = 3,953,481.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.