Finding the Fourth Proportional to 1,455,181.74, 2,008,171.68 and 835,087.98
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Solution
The fourth proportional to 1,455,181.74, 2,008,171.68 and 835,087.98 is: 1,152,433.39
Step by Step Solution
- Step 1: Write the proportion equation
1,455,181.74 : 2,008,171.68 = 835,087.98 : x - Step 2: Convert to fraction form
1,455,181.74/2,008,171.68 = 835,087.98/x - Step 3: Cross multiply
1,455,181.74x = 2,008,171.68 × 835,087.98 - Step 4: Simplify right side
1,455,181.74x = 1,677,000,031,744.41 - Step 5: Solve for x
x = 1,677,000,031,744.41/1,455,181.74 - Step 6: Final answer
x = 1,152,433.39
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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.