Finding the Fourth Proportional to 5,743,480.63, 7,926,004.61 and 3,129,985.45
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Solution
The fourth proportional to 5,743,480.63, 7,926,004.61 and 3,129,985.45 is: 4,319,380.64
Step by Step Solution
- Step 1: Write the proportion equation
5,743,480.63 : 7,926,004.61 = 3,129,985.45 : x - Step 2: Convert to fraction form
5,743,480.63/7,926,004.61 = 3,129,985.45/x - Step 3: Cross multiply
5,743,480.63x = 7,926,004.61 × 3,129,985.45 - Step 4: Simplify right side
5,743,480.63x = 24,808,279,067,344.17 - Step 5: Solve for x
x = 24,808,279,067,344.17/5,743,480.63 - Step 6: Final answer
x = 4,319,380.64
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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.