Finding the Fourth Proportional to 5,506,459.85, 8,259,852.59 and 2,628,129.92
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Solution
The fourth proportional to 5,506,459.85, 8,259,852.59 and 2,628,129.92 is: 3,942,272.58
Step by Step Solution
- Step 1: Write the proportion equation
5,506,459.85 : 8,259,852.59 = 2,628,129.92 : x - Step 2: Convert to fraction form
5,506,459.85/8,259,852.59 = 2,628,129.92/x - Step 3: Cross multiply
5,506,459.85x = 8,259,852.59 × 2,628,129.92 - Step 4: Simplify right side
5,506,459.85x = 21,707,965,681,984.07 - Step 5: Solve for x
x = 21,707,965,681,984.07/5,506,459.85 - Step 6: Final answer
x = 3,942,272.58
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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.