Finding the Fourth Proportional to 2,678,175.97, 3,697,013.64 and 1,808,189.19
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Solution
The fourth proportional to 2,678,175.97, 3,697,013.64 and 1,808,189.19 is: 2,496,064.55
Step by Step Solution
- Step 1: Write the proportion equation
2,678,175.97 : 3,697,013.64 = 1,808,189.19 : x - Step 2: Convert to fraction form
2,678,175.97/3,697,013.64 = 1,808,189.19/x - Step 3: Cross multiply
2,678,175.97x = 3,697,013.64 × 1,808,189.19 - Step 4: Simplify right side
2,678,175.97x = 6,684,900,099,130.55 - Step 5: Solve for x
x = 6,684,900,099,130.55/2,678,175.97 - Step 6: Final answer
x = 2,496,064.55
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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.