Finding the Fourth Proportional to 3,020,369.14, 4,167,170.61 and 1,713,405.94
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Solution
The fourth proportional to 3,020,369.14, 4,167,170.61 and 1,713,405.94 is: 2,363,967.63
Step by Step Solution
- Step 1: Write the proportion equation
3,020,369.14 : 4,167,170.61 = 1,713,405.94 : x - Step 2: Convert to fraction form
3,020,369.14/4,167,170.61 = 1,713,405.94/x - Step 3: Cross multiply
3,020,369.14x = 4,167,170.61 × 1,713,405.94 - Step 4: Simplify right side
3,020,369.14x = 7,140,054,876,167.42 - Step 5: Solve for x
x = 7,140,054,876,167.42/3,020,369.14 - Step 6: Final answer
x = 2,363,967.63
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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.