Finding the Fourth Proportional to 4,435,310.30, 6,652,965.45 and 3,987,412.70
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Solution
The fourth proportional to 4,435,310.30, 6,652,965.45 and 3,987,412.70 is: 5,981,119.05
Step by Step Solution
- Step 1: Write the proportion equation
4,435,310.30 : 6,652,965.45 = 3,987,412.70 : x - Step 2: Convert to fraction form
4,435,310.30/6,652,965.45 = 3,987,412.70/x - Step 3: Cross multiply
4,435,310.30x = 6,652,965.45 × 3,987,412.70 - Step 4: Simplify right side
4,435,310.30x = 26,528,118,927,991.22 - Step 5: Solve for x
x = 26,528,118,927,991.22/4,435,310.30 - Step 6: Final answer
x = 5,981,119.05
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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.