Finding the Fourth Proportional to 1,621,619.29, 2,432,428.58 and 1,486,302.94
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Solution
The fourth proportional to 1,621,619.29, 2,432,428.58 and 1,486,302.94 is: 2,229,454.09
Step by Step Solution
- Step 1: Write the proportion equation
1,621,619.29 : 2,432,428.58 = 1,486,302.94 : x - Step 2: Convert to fraction form
1,621,619.29/2,432,428.58 = 1,486,302.94/x - Step 3: Cross multiply
1,621,619.29x = 2,432,428.58 × 1,486,302.94 - Step 4: Simplify right side
1,621,619.29x = 3,615,325,763,391.52 - Step 5: Solve for x
x = 3,615,325,763,391.52/1,621,619.29 - Step 6: Final answer
x = 2,229,454.09
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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.