Finding the Fourth Proportional to 2,154,504.62, 2,973,192.18 and 1,174,422.19
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Solution
The fourth proportional to 2,154,504.62, 2,973,192.18 and 1,174,422.19 is: 1,620,689.43
Step by Step Solution
- Step 1: Write the proportion equation
2,154,504.62 : 2,973,192.18 = 1,174,422.19 : x - Step 2: Convert to fraction form
2,154,504.62/2,973,192.18 = 1,174,422.19/x - Step 3: Cross multiply
2,154,504.62x = 2,973,192.18 × 1,174,422.19 - Step 4: Simplify right side
2,154,504.62x = 3,491,782,865,064.15 - Step 5: Solve for x
x = 3,491,782,865,064.15/2,154,504.62 - Step 6: Final answer
x = 1,620,689.43
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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.