Finding the Fourth Proportional to 5,506,459.67, 8,259,852.32 and 2,628,129.74
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Solution
The fourth proportional to 5,506,459.67, 8,259,852.32 and 2,628,129.74 is: 3,942,272.31
Step by Step Solution
- Step 1: Write the proportion equation
5,506,459.67 : 8,259,852.32 = 2,628,129.74 : x - Step 2: Convert to fraction form
5,506,459.67/8,259,852.32 = 2,628,129.74/x - Step 3: Cross multiply
5,506,459.67x = 8,259,852.32 × 2,628,129.74 - Step 4: Simplify right side
5,506,459.67x = 21,707,963,475,760.09 - Step 5: Solve for x
x = 21,707,963,475,760.09/5,506,459.67 - Step 6: Final answer
x = 3,942,272.31
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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.