Finding the Fourth Proportional to 1,620,120.62, 2,427,518.19 and 554,581.42
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Solution
The fourth proportional to 1,620,120.62, 2,427,518.19 and 554,581.42 is: 830,960.65
Step by Step Solution
- Step 1: Write the proportion equation
1,620,120.62 : 2,427,518.19 = 554,581.42 : x - Step 2: Convert to fraction form
1,620,120.62/2,427,518.19 = 554,581.42/x - Step 3: Cross multiply
1,620,120.62x = 2,427,518.19 × 554,581.42 - Step 4: Simplify right side
1,620,120.62x = 1,346,256,480,896.91 - Step 5: Solve for x
x = 1,346,256,480,896.91/1,620,120.62 - Step 6: Final answer
x = 830,960.65
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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.